CAT2001 SECTION - MATHEMATICS _ CAT4MBA

5 e no t atte mp te d 30 in the diagram abcd is a

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Unformatted text preview: Atte mp te d 30. In the diagram , ABCD is a rectangle with AE= EF = FB. What is the ratio of the area of the triangle CEF and that of the rectangle? a . 1 /6 b . 1 /8 c. 1 /9 d . No n e o f t h e s e e .No t Atte mp te d 31. At a certain fas t food res taurant, Baks hi can buy 3 burgers , 7 s hakes , and one order of fries for Rs .120. At the s am e place it would cos t Rs .164.50 for 4 burgers , 10 s hakes , and one order of fries . How m uch would it cos t for a m eal of one burger, one s hake, and one order of fries ? a . Rs 3 1 b . Rs 4 1 c. Rs 2 1 d . C a n n o t b e d e te rmin e d . e .No t Atte mp te d 32. A can com plete a piece of work in 4 days . B takes double the tim e taken by A. C takes double that of B, and D takes double that of C to com plete the s am e tas k. They are paired in groups of two each. One pair takes twothirds the tim e needed by the s econd pair to com plete the work. Which is the firs t pair? a . A, B b . A, C c. B, C d . A, D e .No t Atte mp te d 33. In a 4- digit num ber, the s um of the firs t two digits is equal to that of the las t two digits . The s um of the firs t and las t digits is equal to the third digit. Finally, the s um of the s econd and fourth digits is twice the s um of the other two digits . What is the third digit of the num ber? a. 5 b. 8 c. 1 d. 4 e .No t Atte mp te d 34. A college has rais ed 75% of the am ount it needs for a new building by receiving an average donation of Rs . 600 from the people already s olicited. The people already s olicited repres ent 60% of the total people the college will as k for donations . If the college is to rais e exactly the am ount needed for the new building, what s hould be the average donation from the rem aining people to be s olicited? a . Rs 3 0 0 b . Rs 2 5 0 c. Rs 4 0 0 d . Rs .5 0 0 e .No t Atte mp te d 35. There's a lot of work in preparing a birthday dinner. Even after the turkey is in the oven, there's s till the potatoes and gravy, yam s , s alad, and cranberries , not to m ention s etting the table. Three friends , As it, Arnold, and Afzal work together to get all of thes e chores done. The tim e it takes them to do the work together is s ix hours les s than As it would have taken working alone, one hour les s than Arnold would have taken alone, and half the tim e Afzal would have taken working alone. How long did it take them to do thes e chores working together? a . 2 0 min u te s b . 3 0 min u te s r c. 4 0 min u te s d . 5 0 min u te s e . No t Atte mp te d 36. A red light flas hes 3 tim es per m inute and a green light flas hes 5 tim es in two m inutes at regular intervals . If both lights s tart flas hing at the s am e tim e, how m any tim es do they flas h together in each hour? a . 30 b . 24 c. 2 0 d . 60 e .No t Atte mp te d 37. Two s ides of a plot m eas ure 32 m eters and 24 m eters and the angle between them is a right angle. The other two s ides m eas ure 25 m eters each and the other three angles are not right angles . What is the area o...
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