sin(A+B) sin(AB)is equal to
1). 2sinAcosB
2). 2cosAcosB
3). 2cosAsinB
4). 2sinAsinB
Makarand works 2 times as fast as Samarjit. If Samarjit can complete a job alone in 27 days, then in how many days can they together finish the job?
1). 7days
2). 9days
3). 2days
4). 1days
A wholesaler sells a watch to a retailer at a gain of 35% and the retailer sells it to a customer at a loss of 25%. If the customer pays Rs 2379.375, what
had it cost the wholesaler?
1). Rs 2350
2). Rs 2409
3). Rs 2928
4). Rs 2291
What is the value of cosec 5π/3?
1). √2
2). 2/√3
3). √2
4). 1/√3
A man travels 800 km in partly by rail and partly by steamer. He spends 7 hours more time on steamer. If the velocity of the steamer is 20 km/hr and
the velocity of rail is 55 km/hr, how much distance does he cover by steamer?
1). 316 km
2). 379 km
3). 474 km
4). 569 km