Question
Neha and Sneha went for a morning walk from their home to a
nearby park. Neha walks faster, and their speed ratio is 6:5. If Sneha takes 1 hour longer than Neha to reach the park, how much time does Neha take?Solution
ATQ,
Ratio of speeds of Neha : Sneha = 6 : 5
Therefore, time taken by Neha = {1 / (6 β 5)} Γ 5 = 5 hours
What value should come in place of (?) in the given expression.
864 Γ· 16 + 17Β² β 5Β³ = ?
βAβ and βBβ invested Rs. 5000 and Rs. 4200, respectively in a business, together. After 7 months, βAβ withdrew 25% of his initial investment...
139 + 323 β β169 + ? = 450
65% of ? = 50 + 20 Γ 4
What will come in the place of question mark (?) in the given expression?
59.92 Γ 15.11 + β4224 = ? + 144.9Β
(43)² - (28)² + (32)² = ?% of 2500
675 Γ· 15 + 225 β 18 Γ 6 = ?
I. xΒ² + 3x β 154 = 0
II. yΒ² + 5y β 126 = 0