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Find out the approximate value which should replace the question mark (?) in the following questions. (You are not expected to find out the exact value.)
15.7/ 8 + (8.8*120.75) = 80 % of X +10.75
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16/8 + (9*121) = (4x/5) +11
2+1089 -11 = 4x/5
(1080*5)/4 = X
X =1350.
15.2% of 130.21 – 11.8% of 24.8 = X / (10.5 /2.5)
(15/100)*130 – (12/100)*25 = X/4
19.5 – 3 =X/4
16.5*4 =66
846/ 42 * (12.71+21.33 -21.66) = 52.8% of X – 12.94
20 * (13+21- 22) = 53/100 X -13
20*12 = 0.53X -13
240 +13 = 0.53x
253 /0.53 = X
x =477 = 480.
11.9 /2.85 + (3.2*12.4) = 24.9 + (15.8/100)X +1.20
(12/3) + (3.2*12.4) = 25 + (16/100)X +1
4+40 = 26 + 0.16X
18 = 0.16x
18/0.16 = X
112.5 =X
704/12 *123/52 + (1532 /36) = X3 +36
704/12 *123/52 + (1534 /36) = X3 +36
59*2 +43 = X3 +36
118+43 -36 = X3
X = 5
find the missing number in the following number series?
5, 10, 16, 26, 45, ?
Difference of difference is in Square format
12 , 22 ,32 ,42…
5, 3, 4, 10, 44,?
5*0.5 +0.5 =3
3*1 +1 = 4
4*2 +2 =10
10*4 +4 =44
44*8 +8 =360
23, 40, 74, 125, ?
23 +(1*17) = 40
40+ (2*17) = 74
74 + (3*17) = 125
125 + (4*17) = 193
11, 12, 28, 93,?
11*1 + 12 = 12
12*2 +22 = 28
28*3 +32 = 93
93*4 +42 = 388
6, 22, 83, 421, 2519,?
6*3 + 4 = 22
22*4 -5 = 83
83*5 +6 = 421
421*6 -7 =2519
2519*7+8 = 17641
Correct (-)
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