Q:

tanAcosec2A is equal to

A) (1 + tan2A)cotA B) (1 -­ tan2A)cotA
C) √[(1 + tan2A)cotA] D) √[(1 -­ tan2A)cotA]
 
Answer & Explanation Answer: A) (1 + tan2A)cotA

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

2sin[(C+D)/2].cos[(C­-D)/2] is equal to

A) sinC ­-  sinD B) cosC + cosD
C) cosC -­ cosD D) sinC + sinD
 
Answer & Explanation Answer: D) sinC + sinD

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Exam Prep: Bank Exams

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Q:

A man travels 401 kilometres in, partly by rail and partly by steamer. He spends 6 hours more time on steamer. If the velocity of the steamer is 21 km/hr and the velocity of rail is 56 km/hr, how much distance does he cover by steamer?

A) 241 km B) 302 km
C) 201 km D) 362 km
 
Answer & Explanation Answer: C) 201 km

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

What is the value of tan 7π/4?

A) √3 B) -1/2
C) √3/2 D) -1
 
Answer & Explanation Answer: D) -1

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Q:

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?

A) Rs 2350 B) Rs 2409
C) Rs 2928 D) Rs 2291
 
Answer & Explanation Answer: A) Rs 2350

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

If curved surface area of a cylinder is 1320 sq cm and height is 10 cm, find its radius?

A) 21 cm B) 42 cm
C) 63 cm D) 10.5 cm
 
Answer & Explanation Answer: A) 21 cm

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

30% discount is offered on an item. By applying a promo code the customer wins 20% cash back. What is the effective discount?

A) 44 percent B) 52.8 percent
C) 50 percent D) 26 percent
 
Answer & Explanation Answer: A) 44 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

2 650
Q:

An engineering student has to secure 25% marks to pass. He gets 56 and fails by 34 marks. Find the maximum marks.

A) 385 marks B) 360 marks
C) 410 marks D) 435 marks
 
Answer & Explanation Answer: B) 360 marks

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Exam Prep: Bank Exams

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