APTITUDE QUIZ
Q1. What least value must be given to * so that the number 451*603 is exactly divisible by 9?
A. 2
B. 4
C. 8
D. 12
Q2. A number when divided by the sum of 555 and 445 gives two times their difference as quotient and 30 as the remainder. The number is:
A. 1220
B. 1250
C. 22030
D. 220030
Q3. 18265 + 2736 + 41328 = ?
A. 62319
B. 62329
C. 62239
D. 61329
Q4. The number of digits of the smallest number, which when multiplied by 7 gives the result consisting entirely of nines is:
A. 3
B. 5
C. 6
D. 8
Q5. 39798 + 3798 + 378 = ?
A. 43576
B. 43974
C. 43984
D. 49532
Q6. If a and b are both odd numbers, which of the following is an even number?
A. a + b
B. a + b + 1
C. ab
D. ab + 2
Q7. The unit’s digit in the product (3127)173 is:
A. 1
B. 3
C. 7
D. 9
Q8. If a and b are both odd numbers, which of the following is an even number?
A. a + b
B. a + b + 1
C. ab
D. ab + 2
Q9. The unit’s digit in the product (3127)173 is:
A. 1
B. 3
C. 7
D. 9
Q10. 7589 – ? = 3434
A. 721
B. 3246
C. 4155
D. 11023
Q11. What is the total number of prime numbers less than 70?
A. 15
B. 18
C. 19
D. 21
Q12. Find the smallest number of 6 digits which is exactly divisible by 111.
A. 100011
B. 10001
C. 1001
D. 101
Q13. The curved surface area of a right circular cyliner of base radius r is obtained by multiplying its volume by :
A. r² km
B. 2r² km
C. r/2 km
D. 2/r km
Q14. A circular well with a diameter of 2 metres, is dug to a depth of 4 metres. What is the volume of the earth dug out?
A. 26 m³
B. 28 m³
C. 44 m³
D. 46 m³
Q15. How many cubes of 10 cm edge can be put in a cubical box of 1 m edge?
A. 1
B. 10
C. 100
D. 1000
Q16. If the areas of the three adjacent faces of a cuboidal box are 120 cm², 72 cm² and 60 cm² respectively, then find the volume of the box.
A. 120 m³
B. 400 m³
C. 660 m³
D. 720 cm m³
Q17. Volume of a hemisphere is 19404 cu. cm. Its radius is :
A. 19 cm
B. 20 cm
C. 21 cm
D. 30 cm
Q18. A metallic hemisphere is melted and recant in the shape of a cone with the same base radius (R) as that of the hemisphere. If H is the height of the cone, then :
A. H = 2R
B. H = 4R
C. H = √4R
D. H = 2/3 R
Q19. Surface area of a sphere is 2464 cm2. If its radius is doubled, then the surface area of the new sphere will be:
A. 4920 cm2
B. 4727 cm2
C. 9856 cm2
D. 19712 cm2
Q20. Find the surface area of a 10 cm x 4 cm x 3 cm brick.
A. 84 sq.c.m.
B. 124 sq.cm
C. 164 sq.cm.
D. 180 sq.cm.
-:ANSWERS:-
1 C
2 D
3 B
4 C
5 B
6 A
7 C
8 A
9 C
10 C
11 C
12 A
13 D
14 C
15 D
16 D
17 C
18 A
19 C
20 C
