2 candles of the same height are lighted at the same time. The first is to be consumed in 5 hours and seconds in 4 hours. Assuming that they burn at constant rates, in how many hours their height wil…

Question

2 candles of the same height are lighted at the same time. The first is to be consumed in 5 hours and seconds in 4 hours. Assuming that they burn at constant rates, in how many hours their height will be in ratio 3 : 2 ?

PYQPulse · Accepted Answer

(a) 20/7

PYQPulse · Answer

Explanation: per hour consumption of Ist candle = 1/5 per hour consumption of IInd candle = 1/4 Let after x hour their height is in ratio = 3 : 2 1 So ✦✌✧✦ ✌51 ✧= 3 1 ★✩✪✪×4 ✩ 2 By solving the equation: x =20/7 Directions (Q. 11 15): The following table provides information regarding employees of company X and Company Y in 4 different cities. Study it carefully and answer the following questions. City Company X Company Y Total employees Male : Female Total employees Male : Female Delhi 760 11:8 810 4:5 Chennai 450 2:3 680 8:9 Chandigarh 560 5:3 620 17:14 Kolkata 640 9:7 720 11:7

2 candles of the same height are lighted at the same time. The first is to be consumed in 5 hours and seconds in 4 hours. Assuming that they burn at constant rates, in how many hours their height will be in ratio 3 : 2 ?

Answer: A. (a) 20/7

Explanation

2 candles of the same height are lighted at the same time. The first is to be consumed in 5 hours and seconds in 4 hours. Assuming that they burn at constant rates, in how many hours their height will be in ratio 3 : 2 ?

Answer: A. (a) 20/7

Explanation