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