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What should come in place of question mark (?) in the following questions?
(8.256)2 + (21.98)2 − (25.02)2 + (33.03)2 = ? + (27.271)2
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(8.256)2 + (21.98)2 − (25.02)2 + (33.03)2 = ? + (27.271)2 68.161 + 483.120 – 626 + 1090.980 = ?+ 743.707 ? = 272.554
23 × 2(45 ÷ 15) + (168 ÷ 4) ÷ 2 − (12)2 + ? × 11 = 191
24% of 750 – 1197 ÷ 19 + 78% of 650 – (41472 ÷ 48) ÷ 9 = ?
18.6 × 3 + 7.2 − 16.5 + 4 × 1.06 × 0.04 = ? + 21.598
18.6 × 3 + 7.2 − 16.5 + 4 × 1.06 × 0.04 = ? + 21.598 55.8 + 7.2 – 16.5 + 0.169 = ? + 21.598 46.669 – 21.598 = ? ? = 25.071 ≈ 25
What should come in place of question mark (?) in the following questions?\
15% of 920 − 26% of 550 − √841 + 30% of 580 + (3/7 × 1092) = ?
What will come in place of the question mark (?) in the following number series?
13, 17, 26, 42, ?
13 + 22 = 13 + 4 = 17 17 + 32 = 17 + 9 = 26 26 + 42 = 26 + 16 = 42 So,42 + 52 = 42 + 25 = 67
27, 29, 91, 461, ?
27 × 1+2= 29 29 × 3+4 = 91 91 × 5+6 = 461 So, 461 × 7+8 = 3235
213, 340, 509, 726, ?
63 − 3 = 213 73 − 3 = 340 83 − 3 = 509 93 − 3 = 726 So, 103 − 3 = 997
22, 25.5, 18.5, 29, 15, ?
22 + 3.5 = 25.5 25.5 – 7 = 18.5 18.5 + 10.5 = 29 29 – 14 = 15 So, 15 + 17.5 = 32.5
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