Quant Quiz for IBPS CLERK MAINS 2019 |24 December 2019

Quant Quiz for IBPS CLERK & LIC MAINS

Quant Quiz to improve your Quantitative Aptitude for SBI Po & SBI clerk exam IBPS PO Reasoning , IBPS Clerk Reasoning , IBPS RRB Reasoning, LIC AAO ,LIC Assistant  and other competitive exams.

Q1. Ratio of difference between compound interest & simple interest for 2 years on Rs ‘X’ at 20% p.a. compounding annually to simple interest earned for 3rd year only on Rs ‘X + 5000’ at 10% p.a. is 1 : 5. Find simple interest earned for 4 years at 15% on Rs ‘X + 10000’ is how much more than compound interest earned on Rs ‘X + 8000’ for 2 years at same rate of interest.
1. Rs 4654.5
2. Rs 4468.5
3. Rs 4192.5
4. Rs 4807.5
5. Rs 4324.5
Answer & Explanation
 
Q1. Ans(4) 
 
Q2. Salman covers a distance of 50 km in ‘T’ hours. If he increases his speed by 2.5 kmph then time taken is reduced to ‘T – 1’ hours. Anil who is 20% faster than Salman takes ‘2T + 5’ hours to reach B from A. if both start (with their actual speeds) from A & B respectively towards each other then find time of meeting.
1. 
2. 
3. 
4. 
5. 
Answer & Explanation
 
Q2. Ans(2) 
Direction (3 -4): Read the following information carefully & answer the questions.
A work can be completed by 5 members of group A in 7 days. While another group B of 6 members can complete the same work in 6 days. Each group has at least 2 men & 2 women. Efficiency of a woman is 25% less than that of a man.
Q3. Find time taken by members of both group to complete the same work when all work together.
1.
2. 
3. 
4. 
5. 
Answer & Explanation
 
Q3. Ans(4)
Efficiency ratio man : woman = 4 : 3
Let efficiency of man & woman be 4x & 3x units/day respectively
each group has atleast 2 men & 2 women
Considering group A (5 members) = complete work in 7 days
There are 2 possible cases
Case (I) 2 Men 3 Women
Total work = (2×4x+3×3x)×7=102x units
Group B complete this work in 6 days
Work done in 1 day = 17x units
Group B = 2 Men + 2 Women + some men & women
Work by 2 Men & 2 Women per day = 2×4x+2×3x=14x units
Remaining 3x units is to be completed by 2 members which may be man, woman or both
Minimum efficiency is of woman which is 3x units/day so remaining work can be completed by even a single member so this case is not possible
Case (II) 3 Men 2 Women
Total work = (3×4x+2×3x)×7=126x units
Group B complete this work in 6 days
Work done in 1 day = 21x units
Group B = 2 Men + 2 Women + some men & women
Work by 2 Men & 2 Women per day = 2×4x+2×3x=14x units
Remaining 7x units is to be completed by 2 members
So, only possible combination is 1 man & 1 woman
Group A = 3 Men 2 Women
Group B = 3 Men 3 Women
Total work = 126x units
Q4. If group A start working but after 3 days, they were dropped then group B was employed. After another 2 days, 2 members of the group left. Find minimum time taken to finish the whole work.
1. 7 days
2. 7.3 days
3. None of these
4. Cannot be determined
5. 7.1 days
Answer & Explanation
 
Q4. Ans(1)
Efficiency ratio man : woman = 4 : 3
Let efficiency of man & woman be 4x & 3x units/day respectively
each group has atleast 2 men & 2 women
Considering group A (5 members) = complete work in 7 days
There are 2 possible cases
Case (I) 2 Men 3 Women
Total work = (2×4x+3×3x)×7=102x units
Group B complete this work in 6 days
Work done in 1 day = 17x units
Group B = 2 Men + 2 Women + some men & women
Work by 2 Men & 2 Women per day = 2×4x+2×3x=14x units
Remaining 3x units is to be completed by 2 members which may be man, woman or both
Minimum efficiency is of woman which is 3x units/day so remaining work can be completed by even a single member so this case is not possible
Case (II) 3 Men 2 Women
Total work = (3×4x+2×3x)×7=126x units
Group B complete this work in 6 days
Work done in 1 day = 21x units
Group B = 2 Men + 2 Women + some men & women
Work by 2 Men & 2 Women per day = 2×4x+2×3x=14x units
Remaining 7x units is to be completed by 2 members
So, only possible combination is 1 man & 1 woman
Group A = 3 Men 2 Women
Group B = 3 Men 3 Women
Total work = 126x units
Q5. Each of the given question is followed by two statements I & II. You have to determine which statement (s) is/are necessary/sufficient to answer the question. Mark the answer as per the given instructions.
What is the floor area of hall (cuboidal shape)?
I. the height of the hall is 5 m while cost of painting of walls at the rate of Rs 10 per sq.m. is Rs 700. Area of shorter wall is 20 sq.m.
II. the wall area of longer wall is 50 sq.m. while volume of the hall is 200 cu.m.
1. Only statement II is sufficient to answer
2. Either statement I or statement II is sufficient to answer
3. Both statements I & II are necessary to answer
4. Only statement I is sufficient to answer
5. Neither statement I & II is sufficient to answer
Answer & Explanation
 
Q5. Ans(4) 
from Statement I
Let length & breadth be x & y m respectively
(5x+5y)×10=700
x + y = 14
let wall along breadth is shorter
5y = 20
y = 4m
x = 10 m
required area = 40 sq.m.
from statement II
let wall along length is longer having length x m.
let breadth & height of hall is y m & z m respectively
xz = 50
xyz = 200
y = 4 m
since x & z can’t be determined
clearly, statement I is sufficient to answer while statement II is not
Q6. Each of the given question is followed by two statements I & II. You have to determine which statement (s) is/are necessary/sufficient to answer the question. Mark the answer as per the given instructions.
What is area of triangle ABC?
I. in triangle ABC, the longest side of triangle is 2 cm more than smallest side and average of length of smallest & longest side is equal to other side’s length.
II. the perimeter of another triangle having each side 1 cm more than that of triangle ABC is 15 cm.
1. Only statement II is sufficient to answer
2. Either statement I or statement II is sufficient to answer
3. Both statements I & II are necessary to answer
4. Only statement I is sufficient to answer
5. Neither statement I & II is sufficient to answer
Answer & Explanation
 Q6. Ans(3)
Q7. Each of the given question is followed by two statements I & II. You have to determine which statement (s) is/are necessary/sufficient to answer the question. Mark the answer as per the given instructions.
What is age of A (in years) in a group of A, B, C, D, E whose average age of 40 years?
I. the average age of B, C, D is same as that of the group while ratio of age of A & C is 2 : 3.
II. the average age of A, B, E is same as that of the group while ratio of age of D & E is 7 : 10.
1. Only statement II is sufficient to answer
2. Either statement I or statement II is sufficient to answer
3. Both statements I & II are necessary to answer
4. Only statement I is sufficient to answer
5. Neither statement I & II is sufficient to answer
Answer & Explanation
 Q7. Ans(3) 
Q8. Each of the given question is followed by two statements I & II. You have to determine which statement (s) is/are necessary/sufficient to answer the question. Mark the answer as per the given instructions.
What percent marks did Sallu score in Mathematics?
I. Marks of Sallu in English is 80 which is 20% less than that in Maths. Maximum marks of English is 150.
II. marks scored in English & Maths is in ratio 7 : 9 while in English he scored 80% marks.
1. Only statement II is sufficient to answer
2. Either statement I or statement II is sufficient to answer
3. Both statements I & II are necessary to answer
4. Only statement I is sufficient to answer
5. Neither statement I & II is sufficient to answer
Answer & Explanation
 Q8. Ans(5)
Q9. Each of the given question is followed by two statements I & II. You have to determine which statement (s) is/are necessary/sufficient to answer the question. Mark the answer as per the given instructions.
How many girls are in the group? (All members are arranged in a linear row facing north)
I. there are 4 boys in the group & total ways to arrange all members is 2880. All girls always sit together.
II. total no of ways to arrange all members such that no two girls sit together is 1152. The group has equal no. of boys & girls.
1. Only statement II is sufficient to answer
2. Either statement I or statement II is sufficient to answer
3. Both statements I & II are necessary to answer
4. Only statement I is sufficient to answer
5. Neither statement I & II is sufficient to answer
Answer & Explanation
 Q9. Ans(2)
Q10. The salary of Amir increases by 10% every year. He gets 8% of his present monthly salary as incentive on every block of 50 sales. In June, his sale figure was 180 due to which he received Rs 99200 as salary of that month. Find his approximate salary (monthly & of same month) before 2 years.
1. Rs 63652
2. Rs 81983
3. Rs 60282
4. Rs 66115
5. Rs 62109
Answer & Explanation
 Q10. Ans(4) 

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