1.
Length, breadth and height of a match box is 4.5cm, 2.4cms and 1cm. What is the surface area of the match box?
2.
Find the value of 'x' if 2/3 x +3/8 =3/8
3.
What is the remainder obtained when a prime number greater than 6 is divided by 6 ?
4.
If * means double of the first number added by five times the second number, then find ( 1 * 2 ) * 6.
5.
How many prime numbers are there in the first 150 natural numbers?
6.
Surface area of a cube is ⅜ X². Find its volume.
7.
To construct a rectangle, you must have one side and :
8.
In a pie chart, if an item covers an area of 35%, then find the corresponding angle.
9.
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.
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.
The sum of the ages of three persons is 100 years. what will be the sum of their ages after 5 years:
13.
The product of two numbers is 336. Their sum exceeds their difference by 32. What are the numbers ?
14.
A number x, when divided by 7, leaves a remainder 6 and another number y, when divided by 7 leaves the remainder 4. What will be the remainder if x + y is divided by 7 ?
15.
What is the unit's digit of the product of all prime numbers between 1 and 100 ?
16.
P and Q are two positive integers such that PQ= 64 . Which of the following is not the correct value of P + Q ?
17.
Maximum retail price of a shirt is ₹1500. Its cost price is ₹1200. If net profit is 15%, find the discount percent.
18.
Factorise: 243a4 - 48 b4.
19.
x = -2, y = 3 and z = -1, find the value of 2x³ + 3y² + Z17
20.
A man can do a work in 12 days, a woman can do the same work in 20 days and a child can do the same work in in 30 days. Who will do the work earlier? (a) Only man (b) Woman and child together