Quantitative Aptitude for IDBI Executive Exam 2018: 15th April 2018

Q2.  Three persons A, B and C can do a job in 12 days together. If their efficiency of working be in the ratio 2 : 3 : 4, Find in what time B can complete the same work alone?
(a) 39 days
(b) 42 days
(c) 36 days
(d) 32 days
(e) 24 days

Q3.  A gave a sum of 4500 at simple rate of interest of 12% to B for 4 years and B gave this amount to C at the rate of 10% for 4 years. Find how much extra amount has to be paid by B to A after 4 years?
(a) Rs. 340
(b) Rs. 360
(c) Rs. 400
(d) Rs. 350
(e) Rs. 450

Q4.  Three persons P, Q and R started a business by investing their capitals in the ratio of 4 : 5 : 2. After 6 months, P and R invested half more of  their initial capital amount . After a year, the total profit was Rs. 12,450. Find the share of Q in the profit. 
(a) Rs. 5,020
(b) Rs. 4,880
(c) Rs. 4,910
(d) Rs. 4,980
(e) Rs. 4,820

Q5.  A train-A passes a stationary train B and a pole in 24 sec and 9 sec respectively. If the speed of train A is 48 kmph what is the length of train B? 
(a) 200 m
(b) 160 m
(c) 180 m
(d) 190 m
(e) 350 m

Directions (6-10): What will come in place of the question mark (?) in the following questions?

Q6. 46% of 450 +? % of 19.07 = 359.56 
(a) 795
(b) 805
(c) 815
(d) 800
(e) 820

Q9. 0.03 × 0.01 – 0.003 ÷ 100 + 0.03 =? 
(a) 0.03027
(b) 0.0327
(c) 0.3027
(d) 1.03027
(e) 0.003027

Q10. 17 × 25 – 240 +? ÷ 41 = 354 
(a) 6299
(b) 6929
(c) 9629
(d) 7129
(e) 6992

Q11.  The ratio between area of a rectangular field and area of a square field is 3 : 2. If the area of rectangular field is equal to 216 sq.metre, what is the perimeter of the square field ?
(a) 50 m
(b) 45 m
(c) 48 m
(d) 32 m
(e) 36 m

Q12.  Two mixtures A and B have alcohol and water in the ratio of 2 : 3 and 3 : 4 respectively. If 20 litre of mixture A was mixed with 28 litre of mixture B then find the ratio of alcohol to water in resultant mixture. 
(a) 5 : 7
(b) 7 : 5
(c) 4 : 5
(d) 16 : 11
(e) 11 : 16

Q13.  Simple interest on a certain sum at the rate of 16% per annum for 4 years is Rs. 15,360. What is the compound interest at the same sum at the rate of 5% for two years?
(a) Rs. 2,460
(b) Rs 2,696
(c) Rs 2,966
(d) Rs 2,669
(e) Rs 3,569

Q14.  In a bag there are three pink and five white bolls. Three bolls are chosen randomly. What is the probability that at least one is pink and atmost two are white?
(a) 11/28
(b) 23/28
(c) 13/28
(d) 15/28
(e) None of these

Q15.  Two trains P and Q are running in opposite direction to each-other. The length of train P is 240 metres and speeds of trains P and Q are 72 kmph and 90 kmph respectively. If trains took 15 seconds to cross each other and train Q crosses a tunnel in 24 seconds, what is the length of the tunnel?
(a) 150 m
(b) 165 m
(c) 200 m
(d) 125 m
(e) 250 m