Rationale: Speed = 63 * 5/18 = 35/2 m/sec
Time taken = 140 * 2/35 = 8 se
The answer: (C)
Question: A train 140 m long, running with a speed of 63 km/hr will pass a tree in?
Options:
(A) 18 sec
(B) 6 sec
(C) 8 sec
(D) 15 sec
(E) 7 sec

Reasoning: 1/2 * 20(9 + 6) = 150 cm2
Ans: (B)
Question: Find the area of the quadrilateral of one of its diagonals is 20 cm and its off sets 9 cm and 6 cm?
Options:
(A) 128
(B) 150
(C) 887
(D) 279
(E) 771

Rationale: A = 7500(26/25)2 = 8112
The answer: (D)
Question: If Rs.7500 are borrowed at C.I at the rate of 4% per annum, then after 2 years the amount to be paid is?
Options:
(A) 1227
(B) 2088
(C) 26788
(D) 8112
(E) 1871

Reasoning: Largest no is 987652413
So digit will be 4
Ans: (D)
Question: Find the 100th place digit of a number forming from digits 1 to 9 without repeatation and number passes the divisibility test of 11 means difference of sum of alternative digits is 0 or divisible by 11.
Options:
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5

Rationale: The term (998-998) makes the whole expression = 0.
The answer: (E)
Question: (998-1)(998-2)(998-3)........(998-n)=....... when n>1000
Options:
(A) 4
(B) 3
(C) 2
(D) 1
(E) 0

Rationale: (555 + 445) * 2 * 110 + 70 = 220000 + 70 = 220070
The answer: (E)

Question: A no. when divided by the sum of 555 and 445 gives 2times their difference as quotient & 70 as remainder. Find the no. is?
Options:
(A) 145646
(B) 236578
(C) 645353
(D) 456546
(E) 220070