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Model paper Political Science for PGT exam for KVS DSSSB and other PGT Jobs » Numerical Ability Model paper for SSC Staff Selection Commission Exam

Numerical Ability Model paper for SSC Staff Selection Commission Exam SSC Staff Selection Commission Exam : solved Question Paper

SSC (Staff Selection Commission) Data Entry Operator exam for basic Arithmetic (Numerical Aptitude)

Directions-(Q. 1-5) What should come in

place of the questi0n—mark (?) in the following

questions ?

1. [(58)² x (48)²] ÷ ? = 2152-96

(A) 60 (B) 2500

(C) 50 (D) 3600

(E) None of those

Answer.D

2. 7432 ÷ 92-9 x 18-5 = ?

(A) 1450 (B) 1600

(C) 1480 (D) 1560

(E) None of these

Answer.C

3. 99 x 21 – ³?? = 1968

(A) 1367631

(B) 111

(C) 1366731

(D) 1367

(E) None of these

Answer.E

4. 9634 x 3/8 ÷ ? = 28-902

(A) 115 (B) 95

(C) 110 (D) 120

(E) None of these

Answer.A

5. 19-99 x 9-9 + 99-9 = ?

(A) 129-79 (B) 297-801

(C) 1009 . (D) 296-91

(E) None of these

Answer.B

Directions—(Q. 6-10) What should come in

place of the question mark (?) in the following

number series ?

6. 354, 180, 64, 21, 10.2, ?

(A) 5.6 (B) 8.7

(C) 3.8 (D) 1.7

(E) None of these

Answer.B

7. 4.5, 18, 2.25, ?, 1.6875, 33.75

(A) 27 (B) 25.5 .

(C) 36 (D) 40. l

(E) None of these

Answer.A

8. 59.76, 58.66, 56.46, 52.06, 7, 25.66

(A) 48.08 (B) 46.53

(C) 43.46 (D) 43.26

(E) None of these

Answer.D

9. 36, 157, 301, 470, ?, 891 -

(A) 646 (B) 695 `

(C) 639 (D) 669

(E) None of these

Answer.E

10. 14, 70, 350, ?, 8750, 43750

(A) 1570 (B) 875

(C) 1750 _ (D) 785

(E) None of these

Answer.C

ll. The ratio of the number of students studying

in Schools A, B and C is 6 : 8 : 7 respectively.

If the number of students studying in each of

the schools is increased by 20%, 15% and

20% respectively, what will be the new ratio

of the number of students in Schools A, B and C.

(A) 18 : 23 : 21

(B) 12: 18 : 17

(C) 18 :21 : l7

(D) Cannot be determined

(E) None of these

Answer.A

2. On a test consisting of 75 questions carrying

one mark each Samir answered 75% of the

first 40 questions correctly. What approxi-

mate per cent of the other 35 questions does

he need to answer correctly to score 80% on

the entire test

(A) 90 (B) 75

(C) 86 (D) 60

(E) 58

Answer.C

3. Out of these numbers the sum of the first and

the second number is 73 and the sum of

second and the third number is 77. The sum

of the third and thrice the first number is 104.

What is the third number

(A) 25

(B) 39

(C) 48

(D) Cannot be determined

(E) None of these _

Answer.E

14. 50 people consume 350 kgs. of rice in 30

days. In how many days will 35 people

consume 50 kgs. of rice

(A) 2 days (B) 3 days

(C) 5 days (D) 7 days

(E) None of these

Answer.E

15. Krishna has some hens and some goats. If the

total number of animal heads are 81 and total

number of animal legs are 234, how many

goats does’ Krishna have ?

(A) 45

(B) 24

(C) 36

(D) Cannot be determined

(E) None of these

Answer.C

Directions—(Q. 16-20) Study the following

data carefully and answer the questions given

below-

A survey conducted on 1800 villages shows

_ that 25% of the total villages have only adequate

water supply. 15% of the total number of villages

have proper supply of electricity...