Question
If sin A + sin² A = 1, then the value of cos⁴ A +
cos⁶ A is:Solution
The correct answer is B
A can complete a certain work in 30 days. B is 25% more efficient than A and C is 20% more efficient than B. They all worked together for 3 days. B alon...
A mango kept in a basket doubles every one minute. If the basket gets completely filled by mangoes in 30 min then in how many minutes half of the basket...
A and B can do a work in 21 days, A is (7/4) times as efficient as B. In how many days, A alone can complete the (100/3)% of the work?
A mobile plan costs Rs.32 for 6 minutes. What is the approximate cost, rupees, for 4 minutes?
What % of a day is 30 minutes ?
Four bells start ringing together at 9:00 am. They ring at intervals of 15 seconds, 20 seconds, 30 seconds, and 40 seconds. At wh...
Pipes A and B can fill an empty tank in 6 and 8 hours respectively, while pipe C can empty the full tank in 10 hours. If all three pipes are opened toge...
The diameters of three inlet pipes of a cistern are 1.5 cm, 2 cm and 2.5 cm respectively. The pipe with the maximum diameter can alone fill up the ciste...
A can cultivate 3/5th of the land in 15 days and B can cultivate 1/4th of the land in 10 days. In how many days working together A...
Three bells ring at interval of 36 seconds, 40 seconds and 48 seconds respectively. They start ringing together at a particular time. They will ring tog...
Relevant for Exams:
