Mathematics tricks for all exams

SIMPLE TRICKS IN MATHS



Directions: What approximate value should come in place of question mark (?) in the below-
given questions?

1. √? + √1335 * 24 – 13.96 = 895
A) 1855
B) 2025
C) 1950
D) 2125
E) None



View Answer
Option B
Solution:
√? +36*24 -14=895
√? +850=895
√?=45
X=45*45=2025.
2. (42.03% of 495.04 + 58.02% of 1200 ) / 9 = ?
A) 266.7
B) 235.6
C) 284.3
D) 312.5
E) None



View Answer
Option C
Solution:
(207+696)/9=284.3.
3. (9117.88 – 8021.85 + 903.92) * 12 = 1500 * ?
A) 15
B) 18
C) 24
D) 22
E) None



View Answer
Option A
Solution:
(9118-8022+904) *12 =1500* ?
(2000*12 /1500) = x
X=15.

,4. {(4/7*15/4) / (3.5 -1.2) } = ?
2



A) 1.05
B) 0.76
C) 1.25
D) 0.87
E) None



View Answer
Option D
Solution:
[(60/28)/2.3] =x2



X={15/16} ==> 0.87.
2




5. If x=3.5 , y=4.5 , then {(y-x) (y-x)/y+x}*xy = ?
A) 3
B) 2
C) 1.85
D) 1.8
E) None



View Answer
Option B
Solution:
{(1*1)/8*15.75}
= x X=
15.75/8=2.
6. (87.65% of 7159.89 – 68.99% of 8939.89) * 6.06 = (?) 2



A) 20
B) 24
C) 28
D) 32
E) None



View Answer
Option C
Solution:
(6300 – 6168) * 6 =x 2



132 *
6=x 2


792=
x ie
2


x=28.
7. 35 5/7% of 6510 + 77 7/9% of 5886 = ?% of 6126 + 50% of 5638
A) 49.5
B) 58.35

, C) 54
D) 66.66
E) None



View Answer
Option D
Solution:
250/7% of 6510 + 700/9 % of 5886 =?% of 6126 + 50% of 5638
2325 + 4578 – 2819 = x/100 *6126
+2819 (4084 *100 ) /6126 = x
X=66.66.
8. 854.926 – 562.005 – 115.98 = 22.6% of (?)
A) 804
B) 795
C) 826
D) 844
E) None



View Answer
Option A
Solution:
855 – 562 – 116 =
22.6% of x 177
=22/100 * x X=804.
9. (750/45) / 11/781 * 114/95 = ?
A) 1355
B) 1345
C) 1420
D) 1653
E) None



View Answer
Option C
Solution:
750/45 * 781/11*
114/95
=(10*71*36 )/ 19
=1420.
10. 15.33 – 12.94 + 22.06 – 35.65 = ?
2 2 2



A) 511
B) 504
C) 631
D) 585
E) None