Rationale: 400*(90/100)*(95/100) = 342
The answer: (C)
Question: The sale price sarees listed for Rs.400 after successive discount is 10% and 5% is?
Options:
(A) 349
(B) 349
(C) 342
(D) 346
(E) 344

Reasoning: On dividing 427398 by 15 we get the remainder 3, so 3 should be subtracted
Ans: (A)
Question: Find the least number must be subtracted from 427398 so that remaining no.is divisible by 15?
Options:
(A) 1
(B) 3
(C) 5
(D) 6
(E) 7

Rationale: Suppose N invested Rs. x. Then, 40000/x = 4/5 or y = [40000 x 5/ 4] = 50000.
The answer: (C)
Question: M and N invested in a shop. The profits were divided in the ratio of 4 : 5 respectively. If M invested Rs. 40,000, the amount invested by N is:
Options:
(A) 35000
(B) 40000
(C) 50000
(D) 60000
(E) None

Reasoning: Time taken to cross a moving person = length of train/ relative speed
Time taken = 400/((50-14) (5/18) = 400/ 36*(5/18) = 400/10 = 40 sec
Ans: (A)
Question: A train which has 400 m long, is running 50 kmph. In what time will it cross a person moving at 14 kmph in same direction ?
Options:
(A) 40 sec
(B) 35 sec
(C) 33 sec
(D) 42 sec
(E) 41 sec

Rationale: 6a2 = 6 * 6a * 6a = 216a2
The answer: (A)
Question: The edge of a cube is 6a cm. Find its surface?
Options:
(A) 216a2
(B) 24a4
(C) 24a1
(D) 24a2
(E) 24a7

Rationale: Total members in the group = 7
Average amount = Rs. 30
Total amount with them = 7 * 30 = Rs. 210
One number has Rs. 60. So, the amount with remaining 6 people = 210 - 60 = Rs. 150
The average amount with them = 150/6 = Rs. 25
The answer: (B)

Question: The average amount with a group of seven numbers is Rs. 30. If the newly joined member has Rs. 60 with him, what was the average amount with the group before his joining the group?
Options:
(A) s. 25.6
(B) s. 25
(C) s. 16.6
(D) s. 26
(E) s. 25.6