Question
(23.95)2 – (25.006)2 + (8.0099)2 – (7.07)2 = ? - (14.990)2
What value should come in place of question mark (?) in the following question. (You need not to calcualte the exact value)Solution
Here the terms of the given expression can also be rounded off as (24)2 – (25)2 + (8)2 – (7)2 = ? - (15)2 ? = 576 – 625 + 64 – 49 + 225 ? = 191
More Simplification Questions
- 242 + 18 × 8 – ? = 356
- What will come in the place of question mark (?) in the given expression? (√441 + √729) X 8 = ? + 518 ÷ 2
- What will come in place of (?) in the given expression. (1/4 + 1/2) of 240 = ?
- Question 4
- Find the value of the given expression. [76 – {90 ÷ 5 × (24 – 36 ÷ 3) ÷ 3}]
- 30% of 600 – = ? 3
- What will come in the place of question mark (?) in the given expression? 18 × (24 ÷ 6) + (5/9 of 243) − 19 = ?
- Question 8
- `(sqrt(1296)xx42)/(120+200)` = ?
- I. 8x² - 74x + 165 = 0 II. 15y² - 38y + 24 = 0
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