Group D LEVEL 1 Previous Year Question 2025-05-12 Shift 2 Shift Common

What is the minimum time gap needed between the original sound and its echo for us to hear a clear echo?

The anion formed by which of the following non-metals reacts with Ca2+ ion to form a stable ionic compound?

Which of the following is a T-shaped intra-uterine contraceptive device that offers long- term (multi-year) birth control?

(CH₃)₃-C-CH₃ represents the structural formula of which of the following organic compounds?

Which of the following products is formed on complete combustion of hydrocarbons?

Isha buys a gold ring for her mother. The gold ring is marked at ₹50,000, and two successive discounts of 30% and R%, respectively, are given. After getting the two successive discounts, she paid ₹14,000. Find the value of R.

The cost of a washing machine is 25% less than the cost of a TV. If the cost of the washing machine increases by 66% and that of the TV decreases by 57%, then what is the ratio of the new costs of the washing machine and the TV?

If the difference of the mode and median of a data is 52, then find the difference of the median and mean.

The sum of three numbers is 2316. If the ratio between the first and second numbers is 16 : 10 and that of between second and third is 6 : 18, then find the difference between the first and the third number.

What is the average speed of a bike, which covers half the distance with a speed of 42 km/hr and the other half with a speed of 84 km/hr?