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Q:

There are two parallel streets each directed north to south. A person in the first street travelling from south to north wishes to take the second street which is on his right side. At some place, he makes a 150 deg turn to the right and he travels for 15 minutes at the speed of 20 km/hr. After that he takes a left turn of 60 deg and travels for 20 minutes at the speed of 30 km/hr in order to meet the second street. What is the distance between the two streets?

A) 7.5 km B) 10.5 km
C) 12.5 km D) 15 km
 
Answer & Explanation Answer: C) 12.5 km

Explanation:
Initially the person is travelling from south to north i.e. D to A
He takes 150 deg right turn and moves AB distance and then he takes 60 deg left turn travels BC
AB = 20km/hr * 15/60 hr = 5km
BC = 30 * 20/60 = 10 km
We know that distance between both the streets is DC = DB + BC
DB = AB cos 60o= 5. ½ =2.5 km
So the distance between streets = 12.5 km
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Filed Under: Height and Distance
Exam Prep: Bank Exams

5 2178
Q:

Complete the series Z , S ,W, O ,T ,K, Q, G, ?, ?

A) N,D B) N,C
C) O,C D) O,D
 
Answer & Explanation Answer: B) N,C

Explanation:
Z,W,T,Q moves three steps backward and S, O, K, G moves four steps backward to get the next term.
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Filed Under: Alphabet Test
Exam Prep: Bank Exams

0 2178
Q:

Removal of oil and grease from sewage [waste water]

A) Skimming B) Filtration
C) Screening D) None of the above
 
Answer & Explanation Answer: A) Skimming

Explanation:

Skimming is the removal of any material or particles that are floating on the surface. Hence, Removal of oil and grease from sewage - waste water is called as skimming.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

4 2177
Q:

If 6A = 7B = 5C; find A : B : C

A) 42:30:35 B) 30:35:42
C) 5:7:6 D) 35:30:42
 
Answer & Explanation Answer: D) 35:30:42

Explanation:
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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

4 2177
Q:

The ratio of ages of the father and mother was 11:10 when their son was born. The ratio of ages of the father and mother will be 19:18 when the son will be twice his present age. What is the ratio of present ages of father and mother?

A) 15 : 14 B) 14 : 13
C) 16 : 15 D) 17 : 16
 
Answer & Explanation Answer: A) 15 : 14

Explanation:
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Filed Under: Problems on Ages
Exam Prep: Bank Exams

5 2177
Q:

Menstruation is triggered by a drop in the levels of

A) progesterone B) relaxin
C) FSH D) LH
 
Answer & Explanation Answer: A) progesterone

Explanation:

The principal hormone secreted by the corpus luteum is progesterone. Menstruation is triggered by a drop in the levels of progesterone.

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Filed Under: Biology
Exam Prep: AIEEE
Job Role: Analyst

4 2176
Q:

The price of an article is cut by 3%. To restore to its original value, the new price must be increased by

A) 3 percent B) 7.11 percent
C) 3.09 percent D) 2.69 percent
 
Answer & Explanation Answer: C) 3.09 percent

Explanation:
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Filed Under: Percentage
Exam Prep: AIEEE , Bank Exams , CAT

5 2175
Q:

If a watch is being sold at Rs 7,225 which is marked at Rs 8,500, then what is the discount (in %) at which the watch is being sold?

A) 24 B) 15
C) 25 D) 20
 
Answer & Explanation Answer: B) 15

Explanation:
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Filed Under: Percentage
Exam Prep: Bank Exams

0 2175