277
Q:

# (51 + 52 + 53 + .........+100) is equal to

Q:

The equation of a line is given by 4y-6x+9=0. Find the slope of other line which is perpendicular to it.

 A) -2/3 B) 2/3 C) 3/2 D) -3/2

Explanation:

0 118
Q:

What will be the 20th term in the given sequence?

-50, -47, -44, _

 A) -10 B) 10 C) -7 D) 7

Explanation:

7 652
Q:

In the given series of numbers how many 7's are there which are immediately followed by 9 and immediately not preceeded by 5 ?

 A) 6 B) 2 C) 1 D) 4

Explanation:

3 345
Q:

The value of $1+22+23+24+...+29$ is

 A) 255 B) 511 C) 1021 D) 2047

Explanation:

6 794
Q:

In an arithmetic progression if 13 is the 3rd term, -­47 is the 13th term, then ­-17 is which term?

 A) 9 B) 10 C) 7 D) 8

Explanation:

4 738
Q:

What is the value of (81 + 82 + 83 + ......... +130)?

 A) 5275 B) 10550 C) 15825 D) 21100

Explanation:

9 748
Q:

(61 + 62 + 63 + ......... +110) = ?

 A) 4275 B) 8550 C) 12825 D) 17100

Explanation:

7 821
Q:

What is the value of (91 + 92 + 93 + ......... +140)?

 A) 5775 B) 11550 C) 17325 D) 23100