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- (67.78)2 + (47.42)2 – (123.98 – 89.09)2 + √289.05= ?2
A.85
B.75
C.55
D.65
E.None of these
Answer & Explanation
Answer – B.75
Explanation :
= 68^2 +47^2 – 35^2+17
= 4624+2209-1225+17
=5625
?2 = 75*75
- 2015.98 + 1275.087 – 175.98 *0.95 + 988.09 = ?
A.4765
B.2653
C.3984
D.4004
E.None of these
Answer & Explanation
Answer – D.4004
Explanation :
= 2016 + 1275– 275.98 *1 + 988
= 2016+1275-275+988
=4004
- 4/9 × 6/3 + 11/27 – 18/81 = ?
A.27/23
B.13/7
C.29/27
D.17/21)
E.None of these
Answer & Explanation
Answer – C. 29/27
Explanation :
= 4/9 × 6/3 + 11/27 – 18/81
=4/9 × 6/3 + 11/27 – 6/27
= 24+11-6/27 = 29/27
- 760.8 + 654.90 – 5333.33*0.1 + ? = 103
A.117
B.234
C.323
D.479
E.None of these
Answer & Explanation
Answer – A.117
Explanation :
761+655 – 533 + x = 1000
X = 1000 – 883 = 117
- 2/5 of 3/7 of 23/11 of ? = 64*3
A.511
B.616
C.409
D.723
E.None of these
Answer & Explanation
Answer – B.616
Explanation :
2/5*3/7*20/11 * x = 192
X = 192*11*7*5/2*3*20 = 616
- √(59*98) + 587.10 – 0.005 *0.2 = ?
A.764
B.510
C.478
D.662
E.None of these
Answer & Explanation
Answer – D.662
Explanation :
= √(59*98) + 587.10 – 0.005 *200
= 76+587 – 1 = 662
- √[(√7396+4√2401)+?2] = 100
A.7
B.10
C.12
D.14
E.None of these
Answer & Explanation
Answer – C.7
Explanation :
86+7 = 93
100-93 = 7
- √440.5 ÷ √0.26 × √290.08 + √1024 = ?
A.746
B.594
C.813
D.632
E.None of these
Answer & Explanation
Answer – A.746
Explanation :
= 21÷0.5×17+32
= 42*17+32
=714+32 = 746
- 41% of 801 – 150.17 = ? – 57% of 910
A.697
B.423
C.540
D.328
E.None of these
Answer & Explanation
Answer – A.697
Explanation :
328 – 150 = 178
X – 519 = 178
X = 697
- (39.23)2 + (5.86)2 – (20.02)2 = ?
A.3235
B.2750
C.1157
D.2176
E.None of these
Answer & Explanation
Answer – C.1157
Explanation :
392 + 62 – 202 = 1521+36-400 = 1157
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