• 2 : 00 p.m. on Monday

  • 2 : 00 p.m. on Tuesday

  • 3 : 00 p.m. on Wednesday

  • 1 p.m. on Thrusday


Time from 12 p.m. on Sunday to 2 p.m. on the following Sunday = 7 days 2 hours. = 24 x 7 + 2 = 170 hours. The watch gain = (2 + 4 x 4/5) min = 34/5 minute in 170 hrs. Since, 34/5 min are gained in 170 hrs. 2 min are gained in (170 x 5/34 x 2) hrs = 50 hours i.e., 2 days 2 hrs. after 12 p.m. on Sunday i.e., it will be correct at 2 p.m. on Tuesday.

A watch, which gains uniformly, is 2 min, slow at noon on Saturday, and is 4 min 48 seconds fast at 3 p.m on the following Sunday when was it correct ?

A water tank has three taps A,B and C.Tap A, when opened, can fill the water tank alone in 4 h. Tap B, can fill the water tank alone in 6 h and tap C can empty the water tank alone in 3 h. If taps A, B and C are opened simultaneously. How long will it take to fill the tank completely?

A water tank is two-fifth full.Pipe A can fill a tank in 10 minutes and pipe B can empty it in 6 minutes.If both the pipes are open,how long will it take to empty or fill the tank completely?

A wholesaler sells 20 pens at the marked price (printed on the article) of 16 pens to a retailer. The retailer in turn sells them at the marked price . Determine the gain or loss per cent to the retailer.

A wholesaler sells toys at a profit of 20% to a retailer and retailer sells these toys to its customer at a profit of 25%. What is the profit percentage of the retailer?

A wire can be bent in the form of a circle of radius 56cm. If it is bent in the form of a square, then its area will be

A woman says, "If you reverse my own age, the figures represent my husbands age. He is, of course, senior to me and the difference between our ages is one-eleventh of their sum." The womans husband age is ?

A work can be completed by P and Q in 12 days, Q and R in 15 days, R and P in 20 days. In how many days P alone can finish the work?

A worker makes a toy in every 2h. If he works for 80h, then how many toys will he make ?

A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work in :

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