38% of 3976 +(32)2 – 13% of 8271 + 7/6 × 3400 =? a) 5427 b) 5325 c) 5537 d) 5612 e) 5554

38% of 3976 +(32)2 – 13% of 8271 + 7/6 × 3400 =?
a) 5427
b) 5325
c) 5537
d) 5612
e) 5554
by

1 Answer

Answer :

?=3976 × (38/100) + 1024 – 8271 × (13 / 100) + (7/6) × 3400
=1510.88 + 1024-1075.23 + 3966.66
=5426.31 ≈ 5427
Answer: a)
by

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Description : 189 2/9 +189 3/9+189 5/9+189 6/9+189 7/9 =? a) 1138 b) 1037 c) 1237 d) 1238 e) 1137

Last Answer : ? = 189 2/9 + 189 3/9 +189 4/9 +189 5/9 + 189 6/9 + 189 7/9 =(189 × 6) +(2/9 + 3/9 +4/9+5/9+6/9+7/9 ) =1134 + (2+3+4+5+6+7)/9 =113 + (27/9) =1134 + 3=1137 Answer: e)

Pipe A can fill a water tank in 8 hours, Pipe B can fill the same tank in 12 hours and Pipe C can empty the tank in 24 hours. If all three pipes are opened together, in how many hours will the tank be completely filled or empty? a) 4.8 hours b) 5 hours c) 5.4 hours d) 6 hours e) 7.2 hours

Description : Pipe A can fill a water tank in 8 hours, Pipe B can fill the same tank in 12 hours and Pipe C can empty the tank in 24 hours. If all three pipes are opened together, in how many hours will the tank be completely filled or empty? a) 4.8 hours b) 5 hours c) 5.4 hours d) 6 hours e) 7.2 hours

Last Answer : If all the three pipes are opened together, in one hour they will fill 1/8 + 1/12 – 1/24 = (3+2-1)/24 = 1/6 part of tank. So, to fill it completely it will take 6 hours. Answer is: d)

(1024 − 263 − 233) ÷ (986 − 764 − 156) = ? a) 9 b) 6 c) 7 d) 8 e) None of these

Description : (1024 − 263 − 233) ÷ (986 − 764 − 156) = ? a) 9 b) 6 c) 7 d) 8 e) None of these

Last Answer : Answer: d) 

Value of 1/ {2 + [1 / (2 +1/[ 2 – 1/2 ])]} a) 6/19 b) 7/19 c) 8/19 d) 9/19 e) None of these

Description : Value of 1/ {2 + [1 / (2 +1/[ 2 – 1/2 ])]} a) 6/19 b) 7/19 c) 8/19 d) 9/19 e) None of these

Last Answer : Answer: c)