SBI PO SIMPLIFICATION Questions and Answers Quiz 3

1 . $1\over 8$of $2\over 3$of $3\over 5$of 1715 = ? A.   80 B.   85 C.   90 D.   95 2 . 25.05 × 123.95 + 388.999 × 15.001 =? A.   900 B.   8950 C.   8935 D.   5975 3 . 561 ÷ 35.05 × 19.99 = ? A.   320 B.   330 C.   315 D.   325 4 . $(1504)^2 \times \sqrt{730}$ = ? A.   6125 B.   6225 C.   6200 D.   6075 5 . 4895 + 364 × 0.75 – 49 = ? A.   5119 B.   3895 C.   3907 D.   5210 6 . 434.43 + 43.34 + 3.44 + 4 + 0.33 = ? A.   421.45 B.   455.54 C.   485.54 D.   447.45 7 . (23.6% of 1254) – (16.6% of 834) = ? A.   4353.88 B.   4305 C.   4235.78 D.   4148 8 . DIRECTIONS (Qs.8 - 9):What approximate value should come in place of the question mark (?) in the following questions? (Note: You are not expected to calculate the exact value.) $Q.$ $9999 \div 99 \div 9 = ?$ A.   18 B.   15 C.   6 D.   11 9 . 23.001 × 18.999 × 7.998 = ? A.   4200 B.   3000 C.   3500 D.   4000 10 . $(78.95)^2 - (43.25)^2$ = ? A.   4357.88 B.   4305 C.   4235.78 D.   4353.88

Answers & Solutions   1 .     Answer : Option B Explanation : $1 \over 8 $$\times$$ 2\over 3$$ \times $$3 \over 5 $$\times 1715 $ = 85.75 = 85 2 .     Answer : Option C Explanation : 25 × 124 + 389 × 15 = 3100 + 5835 = 8935 3 .     Answer : Option A Explanation : $561 \over 35$ x 20 = 320.5 = 320 4 .     Answer : Option D Explanation : $(1504)^2 \times \sqrt{730}$ = 225 x 27 = 6075 5 .     Answer : Option A Explanation : ? = 4895 + 364 × 0.75 – 49 = 4895 + 273 – 49 = 5119 6 .     Answer : Option C Explanation : ? = 434.43 + 43.34 + 3.44 + 4 + 0.33 = 485.54 7 .     Answer : Option A Explanation : ? = $(78.95)^ 2$ – $(43.35)^ 2$ = $(122.3)\times (35.6)$ = 4353.88 8 .     Answer : Option D Explanation : Approx value = 9999 $\div$99 = 101 $\div$ 9 = 11.2 $\cong$11 9 .     Answer : Option C Explanation : Approx value = 23 × 19 × 8 = 3496 $\cong$3500 10 .     Answer : Option D Explanation : ? = $(78.95)^2 - (43.25)^2$ = (122.3) $\times$ (35.6) = 4353.88