In math questions answers each questions are solved with explanation. The questions are based from different topics. Care has been taken to solve the questions in such a way that students can understand each and every step

1. Which is greater than 4?

(a) 5,

(b) -5,

(c) -1/2,

(d) -25.                                             

Which number will fit in '?' place in the following series?

12, 23, 45, 89, ?

Assuming that the numbers in each of the following figures follow a similar pattern, select the option that can replace the question mark (?) in figure C.

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

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

-50, -47, -44, _

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

The value of 1+22+23+24+...+29 is

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

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