Exams


Q:

Ethanol is converted into ethoxy ethane,

A) by heating excess of ethanol with conc. H2SO4 at 140°C B) by treating with conc. H2SO4 at room temperature
C) by treating with conc. H2SO4 at 273 K D) by heating Ethanol with excess of conc. H2SO4 at 443 K
 
Answer & Explanation Answer: A) by heating excess of ethanol with conc. H2SO4 at 140°C

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE

34 13087
Q:

What will be the ratio of simple interest earned by certain amount at the same rate of interest for 6 years and that for 9 years?

A) 1:3 B) 1:4
C) 2:3 D) data is inadequate
 
Answer & Explanation Answer: C) 2:3

Explanation:

Let the principal be P and rate of interest be R%.

 

Required ratio =P*R*6100P*R*9100=6PR9PR=69=23

Report Error

View Answer Report Error Discuss

Filed Under: Simple Interest
Exam Prep: GRE

14 13087
Q:

The average age of a class is 19 years. While the average age of girls is 18 and that of boys is 21. If the number of girls in the class is 16, Find the number of Boys in the class?

A) 12 B) 10
C) 8 D) 6
 
Answer & Explanation Answer: C) 8

Explanation:

Let the number of boys = x

From the given data,

=> [21x + 16(18)]/(x+16) = 19

=> 21x - 19x = 19(16) - 16(18)

=> 2x = 16

=> x = 8

Therefore, the number of boys in the class = 8.

Report Error

View Answer Report Error Discuss

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

23 13080
Q:

The length of the rectangle is 20% more than its breadth . what will be the ratio of the area of the rectangle to that of the square whose side is equal to the breadth of the rectangle?

A) 2:1 B) 5:6
C) 6:5 D) data is inadequate
 
Answer & Explanation Answer: C) 6:5

Explanation:

Required ratio6x5×x×1x2=6:5

Report Error

View Answer Report Error Discuss

Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

7 13078
Q:

The total percentage of illiterates in all the four cities is ___ (round to one decimal place).

 

 

 

A) 44.5 B) 44.3
C) 44.2 D) 44.1  
 
Answer & Explanation Answer: C) 44.2

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Table Charts
Exam Prep: Bank Exams

1 13077
Q:

Garampani sanctuary is located at

A) Diphu, Assam B) Gangtok, Sikkim
C) Junagarh, Gujarat D) Kohima, Nagaland
 
Answer & Explanation Answer: A) Diphu, Assam

Explanation:

Famous for Hot water springs and homeland for Hoolock Gibbons and Golden Langurs, The Garampani Wildlife Sanctuary is situated in Karbi Anglong of Diphu area. One of the oldest Sanctuary containing Hot water spring and waterfalls and surrounded by Nambour Sanctuary having 51 rare species of Orchid. It has a total area of 6 sq. Km.

Report Error

View Answer Report Error Discuss

Filed Under: General Science
Exam Prep: CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

30 13074
Q:

The base of a parallelogram is twice its height. If the area of the parallelogram is 72 sq.cm. Find its height?

A) 3 cm B) 4 cm
C) 6 cm D) 8 cm
 
Answer & Explanation Answer: C) 6 cm

Explanation:

Let height =x Then,  base =2x

2x * x = 72      

=>x=6

Report Error

View Answer Report Error Discuss

Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

58 13069
Q:

Which supercomputer is developed by the Indian Scientists?

A) Super 3 B) Param 808
C) Super 149 D) Param 8000
 
Answer & Explanation Answer: D) Param 8000

Explanation:

PARAM 8000 was was the first supercomputer developed by Indian scientists launched on July 01, 1991 is considered India's first supercomputer.

    • It was indigenously built in 1991 by Centre for Development of Advanced Computing and was replicated and installed at ICAD Moscow in 1991 under Russian collaboration.

 

Which_supercomputer_is_developed_by_the_Indian_Scientists1554209544.png image

Report Error

View Answer Report Error Discuss

Filed Under: General Awareness
Exam Prep: CAT , Bank Exams , AIEEE
Job Role: Bank PO , Analyst

22 13068