Directions: What value will come in place of question mark (?) in the following questions?
- 82 * 1/4096 *512 = 8?
4213NoneOption C
Solution:
82 * 1/4096 *512= 8 x
82 * 1/8 4 *8 3 = 8 x
82 * 8 -4 *8 3 = 8 1.
- 242 + 182 – ?2 = 416
22262120NoneOption A
Solution:
242 + 182-x2=416
576+324-x2=416
576+324-416= x2
x2=484.
x=22.
- 1/6 of 432/8 of 32/18 of 1/2 of ? = 600
62756648NoneOption B
Solution:
1/6 of 432/8 of 32/18 of 1/2 of x =600
8x=600
x=600/8
x=75.
- (2.6*48)/13 * ? = 576
66554660NoneOption D
Solution:
(2.6*48)/13 * x = 576
124.8/13 * x= 576
9.6x=576
x=576/9.6=60.
- 1/4* 5624 – 20% of ? = 106
6500543062005650NoneOption A
Solution:
1/4* 5624 – 20% of x=106
1406- 20/100*x=106
1406-106=20/100x
1300=1/5x
x=6500.
- 16.5% of 1700 – 13.8% of 1750 = ?
24332939NoneOption D
Solution:
16.5% of 1700 – 13.8% of 1750=x
280.5-241.5=x
x=39.
- 4 1/2 + 1/2 (8/9 – 31/3) = ?
2/93/5-2/9-3/5NoneOption C
Solution:
4 1/2 + 1/2 (8/9 – 31/3) = x
9/2 +1/2 (8/9- 31/3)=x
9/2+ 1/2 (-85/9)=x
9/2 – 85/18=x
(81-85 )/ 18=x
x=-4/18=-2/9.
- (6√7+√7) (4√7+8√7) – 192 = ?
245227238234NoneOption B
Solution:
(6√7+√7) (4√7+8√7) – 192=x
(24*7 ) + (48*7) + (4*7) + (8*7) – 192=x
(168+336+28+56) -361=x
588-361=x
x=227.
- 3/8 of 4/7 of 7/9 of 738 = ?
115133154123NoneOption D
Solution:
3/8*4/7*7/9*738=x
738/6=x
x=123.
- 44% of 5025 + 56% of 2025 = ?
3345268530003216NoneOption A
Solution:
44% of 5025 + 56% of 2025=x
2211+ 1134=x
x=3345.
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thanks:))
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