1.
If consecutive whole numbers from 1 onward are written one after another to the right of 1 , find the unit digit at the 31 st place.
2.
Find the value of 'x' if 2/3 x +3/8 =3/8
3.
A person can cover a distance at 12m/sec in 100seconds but he wants to cover it in 80 seconds, what should be his speed?
4.
The sum of the ages of three persons is 100 years. what will be the sum of their ages after 5 years:
5.
The product of two numbers is 336. Their sum exceeds their difference by 32. What are the numbers ?
6.
Length, breadth and height of a match box is 4.5cm, 2.4cms and 1cm. What is the surface area of the match box?
7.
Which is greater x+4 or x-4 for any negative value of x ?
8.
Factorise: 243a4 - 48 b4.
9.
Ramesh purchased few oranges at the rate ‘x’ for Rs.’y’and sold at ‘y’ for Rs.’x’. If y > x. Will there be profit or loss?
10.
Rearrange the digits of 1,02,35,007 to get the largest and the smallest number. The difference between the place values of 2 in these two numbers is :
11.
If 'n' is a natural number then n(n+1)(n+2) is always divisible by :
12.
In a vulgar fraction, which can be the denominator?
13.
If * means double of the first number added by five times the second number, then find ( 1 * 2 ) * 6.
14.
What should be added to -3/4 to get '-1' ?
15.
HCF of the group of given numbers is less than the smallest of these numbers.
16.
The area of a rectangle is 80 sq. m and its one side is 8m. Find the area of the square with perimeter equal to the given rectangle.
17.
Simplify: ½ √(6² + 8²) + ³√343
18.
If * means double of the first number multiplied by five times the second number, then find ( 1 * 2 ) * 6.
19.
100 million is equal to :
20.
In a division sum, the divisor is 12 times the quotient and 5 times the remainder. If the remainder is 48, then what is the dividend ?
