Question
Among the given options, which one causes an
echo?Solution
An echo is caused by: When sound is reflected.
More Previous Year Paper Questions
(225 + 125) ÷ 7 + 250 = ? + 20% of 800
75% of 80 + 12% of 600 + 54 = ?
What will come in the place of question mark (?) in the given expression?
(55 × 8 + 28) × 10 = ?
182 + 10 × 12 - ? = 312
(23.95)2 – (25.006)2 + (8.0099)2 – (7.07)2 = ? - (14.990)2
- Find the value of:
35% of [150% of (45 + 15) + 150] ÷ 75 × 80 (25 × 12 + 30 × 8 – 22 × 10) = ?
?% of (√196) × 24 + 344 = 428
56 x 8 – 65% of 40 = ? + 14 x √625
(115 × 17 × 3)/(23 × 51) + ?3 = √169
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