Question
A train 270 meter long running with the speed of 80 kmph
crosses a bridge in 18 seconds then what is the length of bridge?Solution
According to the question, Let length of the bridge be ‘x’ meter. =>Speed = (Length of train + length of bridge)/Time => 80 × 5/18 = (270 + x)/18 => x = 400 - 270 = 130 meter
7(1/7)% of 3500 + 6(2/3)Â % of 6000 = ? + 552.5
What value should come in the place of (?) in the following questions.
336 ÷ 6 ÷ √16 * ? = 1400 ÷ 4
What will come in the place of question mark (?) in the given expression?
(18 × 8 + 24) × 4 = ?
Simplify the following expression:
  (400 +175) ² - (400 – 175) ² / (400 × 175)
√(24²+285-8²-172) = ?²
26 X √25 + 15 - 80% of 120 = ?2Â
? = (22% of 25% of 60% of 3000) + 21

√? = 120 - 102 + ∛125