Quantitative Aptitude - Arithmetic Ability Questions

Tribeni bad to travel 175 km in 3.5 hours. However, she travelled at the rate of 58 km/hr for 2.5 hoursand then rested for 20 minutes before completing the journey. If Tribeni managed to reach on time, herspeed during the last stretch would have been .........

The average of first 20 multiples of 12 is

A merchant changed his trade discount from 25% to 15%. This would increase selling price by

If cosec∅+sin∅cosec∅-sin∅=53 then the value of sin∅is equal to

If (1 - cosA)/2 = x, then the value of x is

The time for a train of length 110 metres running at the speed of 72 km/hr to cross a bridge of length 132 metres is

Three electronic devices make a beep after every 48 sec, 72 sec and 108 sec respectively. They beeped together at 10 a.m. The time when they will next make a beep together at the earliest is

Manjeet can do a work in 18 hours. If he is joined by Jaya who is 100% more efficient, in what time will they together finish the work?