Quant Quiz 10th September 2018

Directions (1 to 5): The bar graph given below shows the marks obtained by five students – Amit, Rishabh, Kaushal, Jyoti and Raksha in three subjects – Physics, Chemistry and Mathematics. The five students are disguised as S1, S2, S3, S4 and S5 randomly. Raksha’s total score in all the three subjects combined was 4 marks more than that of Rishabh. Amit obtained 50 marks in Chemistry and 5 marks more than Rishabh in Physics. Average marks of Jyoti in all three subjects is 38.4% of total marks of Rishabh.

1

  1. What is the total marks obtained by Kaushal ?

(a) 127

(b) 144

(c) 148

(d) 125

(e) None of these

  1. By what percent total marks obtained by Kaushal is more or less than that of Jyoti ?

(a) 8.5%

(b) 15.6%

(c) 10.81%

(d) 11.8%

(e) 13.2%

  1. Find the difference in total marks scored in Chemistry and total marks scored by Raksha ?

(a) 106

(b) 96

(c) 88

(d) 121

(e) None of these

  1. By What percent Raksha beats Rishabh ?

(a) 2.5%

(b) 4.3%

(c) 3.3%

(d) 5.8%

(e) 3.92%

  1. Find the total marks scored by Rishabh in Chemistry, Raksha in Physics and Kaushal in Mathmatics.

(a) 148

(b) 135

(c) 137

(d) 142

(e) None of these

  1. Two trains are running in same direction with speed of 90 kmph and 72 kmph respectively. The faster train crosses a person sitting in last coach of slower train in 20 seconds. Find the length of slower train ?

(a) 280 m

(b) 360 m

(c) 170 m

(d) Can’t be determined

(e) None of these

  1. 40 men can complete a job in 40 days. They started the work together but after every 10 days 5 men left the job. In how many days the work will be completed ?

(a) 50 days

(b)  days

(c)  days

(d) Can’t be determined

(e) None of these

  1. Water is flowing at the rate of 3 km/hr through a circular pipe of 20 cm internal diameter into a circular cistern of 10 m in diameter and 2 m deep. In how much time the cistern will be filled ?

(a) 600 min

(b) 1 hr 40 min

(c) 1 hr 20 min

(d) 1 hr

(e) None of these

  1. A person sold an item in 900 Rs. instead of 540 Rs. which gives him same profit percent as loss percent if item was sold at 540 Rs. Find the C.P. of that item.

(a) Rs. 760

(b) Rs .720

(c) Rs. 820

(d) Rs. 690

(e) None of these

  1. In how many ways, the letters of word ASSASSINATION can be arranged so that the words always start with A and end with N.

(a) 58200

(b) 49200

(c) 63900

(d) 69300

(e) None of these

Solution

  1. (a)

After solving,

S1 → Amit → 148 marks

S2 → Rakha → 125 marks

S3 → Rishabh → 121 marks

S4 → Jyoti → 144 marks

S5 → Kaushal → 127 marks

∴ Required total marks of Kaushal = 127

2-78-10

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