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# SBI PO Simplification Questions and Answers Set–2

IBPS EXAM Guru

1 . DIRECTIONS (Qs. 1 to 10) :What will come in place of questions mark (?) in the following questions?

$Q.$383 × 38 × 3.8 = ?

 A.   58305.8 B.   57305.6 C.   56305.4 D.   55305.2
2 . 43.231 – 12.779 – 6.542 – 0.669 = ?

 A.   27.341 B.   25.242 C.   23.241 D.   21.342
3 . 572 + 38 × 0.50 – 16 = ?

 A.   289 B.   305 C.   448 D.   None of these
4 . 6269 + 0.75 × 444 + 0.8 × 185 = ? × 15

 A.   448 B.   450 C.   452 D.   454
5 . $3\over7$$\times$$2\over5$$\times$$11\over13$$\times$? = 1056

 A.   7280 B.   7296 C.   7308 D.   7316
6 . 6138 + $\sqrt[3]{17576}$ = $\sqrt?$ x 9

 A.   676 B.   729 C.   784 D.   841
7 . $(27)^{7.5} \times (729)^{1.75} \div (19683)^{-2}\div$ $1 \over (19683)^{-5}$ = $(27)^?$

 A.   2 B.   7 C.   5 D.   9
8 . $\sqrt{31329 } \times 5$ = ?

 A.   855 B.   865 C.   875 D.   885
9 . (78700 ÷ 1748) + (3.79 × 121.24) = ?

 A.   305 B.   415 C.   525 D.   635
10 . $\sqrt{6080} \div \sqrt[3] {74000} + \sqrt [4] {6560}$ = ?

 A.   30 B.   80 C.   130 D.   170
Answers & Solutions

1 .
 Answer : Option D Explanation : ? = 383 × 38 × 3.8 = 383 × 144.4 = 55305.2
2 .
 Answer : Option C Explanation : ? = 43.231 – 12.779 – 6.542 – 0.669 = 23.241
3 .
 Answer : Option D Explanation : ? = 572 + 38 × 0.50 – 16= 572 + 19 – 16 = 591 – 16 = 575
4 .
 Answer : Option B Explanation : 15 × ? = 6269 + 333 + 148 = 6750 ? = $6750 \over 15$ = 450
5 .
 Answer : Option A Explanation : ? = $1056 \times 7 \times 5\times 13 \over 3\times 2 \times 11$ = 7280
6 .
 Answer : Option B Explanation : 6138 + $\sqrt[3]{17576}$ = $\sqrt?$ x 9$\sqrt?$ x 9 = 6318 + 26 = 243$\sqrt?$ = $243\over 9$ = 27? = $(27)^2$ = 729
7 .
 Answer : Option A Explanation : $(27)^{7.5} \times (27)^{3.5} \div (27)^{-6} \div (27)^{15}$= $(27)^{7.5 + 3.5 + 6 - 15}$ = $(27)^{17 - 15}$ = $(27)^2$? = 2
8 .
 Answer : Option D Explanation : ? = $\sqrt{31329 } \times 5$ = 177 x 5 = 885
9 .
 Answer : Option C Explanation : ? $\cong$ $78700 \over 1750$ + 4 x 120 = 45 + 460 = 505 $\cong$ 525
10 .
 Answer : Option C Explanation : ?$\cong$ 78 + 42 + 9 = 129 $\cong$130