Math practice question for ssc cgl

1. The sum of the squares of two positive numbers is 100 and dfference of their squres is 28. Find the sum of the numbers :
(1) 12
(2) 13
(3) 14
(4) 15
Ans. 3
2. The product of two numbers is 120. The sum of their squares is 289. The difference of these two numbers is
(1) 9
(2) 7
(3) 8
(4) 6
Ans. 2
3. 380 mangoes are distributed among some boys and girls who are 85 in number. Each boy gets four mangoes and each girl gets five. The number of boys is
(1) 15
(2) 38
(3) 40
(4) 15
Ans. 4
4. The product of two positive numbers is 2500. if one number is four time the other. then the sum of the two numbers is :
(1) 25
(2) 125
(3) 225
(4) 250
Ans. 2
5. In a two digit number if it is known that its unit digit exceeds its tens digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is
(1) 46
(2) 42
(3) 26
(4) 24
Ans. 4
6. In a test, 1 mark is awarded for each correct answer and one mark is deducted for each wrong answer. If a boy answer all 20 items of the test and gets 8 marks, the numbers of questions  answered correct by him was
(1) 16
(2) 14
(3) 12
(4) 8
Ans. 2
7. A number of boys raised rs 400 for a famine relief fund, each boy giving as many 25 paise coins as there were boys. The number of boys was :
(1) 40
(2) 16
(3) 20
(4) 100
Ans. 1
8. Thrice the square of a natural number decreased by four number is equal to 50 more than the number. The number is :
(1) 4
(2) 5
(3) 6
(4) 10
Ans.  2
9. The difference between two positive numbers is 3. If the sum of their squares is 369, then the sum of the numbers is :
(1) 81
(2) 33
(3) 27
(4) 25
Ans. 3
10. How many numbers less than 1000 are multiples of both 10 and 13 ?
(1) 9
(2) 8
(3) 7
(4) 6
Ans. 4