Quest For Clerk Mains : Quant Quiz

Directions (Q. 1-3): What will come in place of question mark (?) in the following questions?

1. 495+75% of 660=?

Answer : 495+(3/4)X660
495+3X165=990

2. (5)^3×(25)^2=(5)^?×(125)^2

Answer : 5^3X5^4=5^xX5^6 5^(7-6)=5^x
x=1

3. 14×15-483÷23=?-100

Answer : 210-21=?-100
289=?

4. (√6-3)^2=?-√216

Answer : 6+9-6(6)^(1/2)=?-6(6)^(1/2)
15=?

5. 53.59+61.42-96.78=?+11.21

Answer : 115.01 – 107.99 = 7.02

Directions (Q. 6-10): What approximate value will come in place of question mark (?) in the following questions? (You are not expected to calculate the exact value.)
√2400×√630÷√101=?

(49X25)/10=122.5

7. 9002÷89×99-1499=?

Answer : (9000/90)X100-1500 =8500

8.1500.99-599.83+299.89=?

Answer : 1500-600+300 =1200

9.19% of 1201 +61% of 3599-153=?

Answer : 19% of1200+61% of4000-153
228+2440-153 =2515

10. (11.98)^2-(15.02)^2+(17.03)^2=?
Answer : 144-225+289=208

Directions (Q. 11-15): What will come in place of question mark (?) in the following number series?
11. 2, 3, 7, 16, 32, ?

Answer : Difference between the consecutive Numbers are 1^2, 2^2, 3^2, 4^2, 5^2
 i.e Required Number= 32+25=57

12. 8, 13, 28, 53, 88, ?

Answer : Difference between the consecutive No’s are 5, 15, 25, 35, 45
So, Required Number =88+45=133

13. 6, 15, 28, 45, 66, ?

Answer : Difference between the consecutive Numbers are 9, 13, 17, 21, 25
So, Required Number=66+25=91

14. 469, 370, 282, 205, 139, ?

Answer : Difference between the consecutive Numbers are 99, 88, 77, 66, 55
So, Required Number=139 – 44 = 95

15. 13, 21, 37, 69, 133, ?

Answer : Difference between the consecutive Number’s are 8, 16, 32, 64, 128
So, Required Number=133+128=261

                                       

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