If n = 1 + x, where x is the product of four consecutive positive integers, then which of the following is /are true?
A. n is odd
B. n is prime
C. n is a perfect square

A and C only A and B only A only None of these

In a sequence nth term, t_n = n/(n + 2), n = 1, 2, ... The value of t₃ × t₄ × t₅ × ... x t₅₃ equals:

2/495 2/477 1/1485 None of these

If there are 10 positive real numbers n1 < n2 < n3 ... < n10 how many triplets of these numbers (n1, n2, n3), (n2, n3, n4), ... Can be generated such that in each triplet the first number is always less than the second number, and the second number is always less than the third number?

90 120 150 180

Suppose n is an integer such that the sum of digits on n is 2, and 10¹⁰< n< 10¹¹. The number of different values of n is ?

8 9 10 11

In a certain code of language, 743 means Mangoes are good, 657 means eat good food and 934 means Mangoes are ripe, then which digit represents ripe?

3 5 7 9

A, B and C start from the same place and travel in the same direction at speed of 30, 40 and 60 km per hour respectively. B starts two hours after A. If B and C overtake A at the same instant, how many hours after A did C start?

3 3.5 4 4.5

If 5-5=20, 7+1=50, 8 / 2 = 32, then 6x5=

120 140 160 180

What is the remainder when 4⁹⁶ is divided by 6?

0 2 3 4

Some years ago, a daughter was born to a woman on 31st January, her 26th birthday. Today is 31st January. What could be sum of their ages

37 yrs 47 yrs 57 yrs 68 yrs

Let x and y be positive integers such that x is prime and y is composite. Then,

y – x cannot be an even integer xy cannot be an even integer (x+y)/x Cannot be an even integer None of these