## Friday, 12 May 2017

1 . 21. 5 6 ? 45 184

 A.   15 B.   12 C.   16 D.   None of these
2 . 37 84 260 ? 5234

 A.   306 B.   512 C.   1146 D.   1046
3 . 2 3 10 ? 172

 A.   45 B.   39 C.   36 D.   42
4 . 7 15 ? 63 127

 A.   32 B.   29 C.   33 D.   31
5 . 8 4 6 ? 52.5

 A.   9 B.   12.5 C.   15 D.   16
6 . $(35.95)^ 2 – (24.001)^ 2$ =?

 A.   680 B.   700 C.   720 D.   740
7 . 75% of 230 - ? = 64% of 249

 A.   14 B.   17 C.   22 D.   18
8 . $(24.99)^2+(31.05)^2=(?)^2$

 A.   45 B.   36 C.   32 D.   40
9 . 367.85 ÷ 22.95 × 14.93 =?

 A.   280 B.   240 C.   260 D.   220
10 . 5687.285 + 4872.38 ÷ 12 =?

 A.   5995 B.   5905 C.   6025 D.   6095
Answers & Solutions
1 .
 Answer : Option D Explanation : $5_{\times1+1}$ $6_{\times2+2}$ $14_{\times3+3}$ $45_{\times4+4}$ 184
2 .
 Answer : Option D Explanation : $37_{\times2+10}$ $84_{\times3+8}$ $260_{\times4+6}$ $1046_{\times54}$ 5234
3 .
 Answer : Option B Explanation : $2_{\times1+1}$$^2 3_{\times2+2}$$^2$ $10_{\times3+3}$$^2 39_{\times4+4}$$^2$ 172
4 .
 Answer : Option D Explanation : $7_{ ×2+1} 15_ {×2+1} 31_{×2+1} 63_{×2+1} 127$
5 .
 Answer : Option C Explanation : $8_{\times5}$ $7_{\times1.5}$ $6_{\times2.5}$ $15_{\times3.5}$ 52.5
6 .
 Answer : Option C Explanation : $= 36^ 2 - 24^ 2 =?$$= 1296 – 576 =?$$= 720 (Approx.) = ?$
7 .
 Answer : Option A Explanation : = 172.5 - ? = 159.36= ? = 172.5 – 159.36= ? = 13.14 or 14 (approx.)
8 .
 Answer : Option D Explanation : $= 25^2 + 31 ^2 = ?^ 2$$= 625 + 961 = ?^2$$= 1586 = ?^2$= ? = $\sqrt{1586}$= ? = 40 (approx.)
9 .
 Answer : Option B Explanation : = $368\over22$x 15 = ? = 240 (approx.)
10 .
 Answer : Option D Explanation : = 5687.285 + 406.029167 = ?= 6095 (approx.)

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