16
Q:

54 is to be divided into two parts such that the sum of 10 times the first and 22 times the second is 780. The bigger part is :

A) 24 B) 34
C) 44 D) 54

Answer:   B) 34



Explanation:

Let the two parts be (54 - x) and x.

Then, 10 (54 - x) + 22x = 780

=> 12x = 240  

=>  x = 20.

Bigger part = (54 - x)  = 34.

Q:

The coefficient of x in(×-3y)3 is :

 

A) 3y2 B) 27y2
C) -27y2 D) -3y2
 
Answer & Explanation Answer: B) 27y2

Explanation:
Report Error

View Answer Report Error Discuss

0 1142
Q:

The largest number which should replace * in the number 2365*4 to make the number divisible by 4 is:

 

A) 9 B) 2
C) 0 D) 8
 
Answer & Explanation Answer: D) 8

Explanation:
Report Error

View Answer Report Error Discuss

0 1553
Q:

43÷16×2-1=?

A) 3 B) -2
C) 8 D) 15
 
Answer & Explanation Answer: D) 15

Explanation:
Report Error

View Answer Report Error Discuss

0 381
Q:

If a+1a=5 then a3+a31 is:

 

A) 110 B) 10
C) 80 D) 140
 
Answer & Explanation Answer: A) 110

Explanation:
Report Error

View Answer Report Error Discuss

0 1454
Q:

Sum of four consecutive odd numbers is 328. Find the largest number.

 

A) 85 B) 98
C) 79 D) 97
 
Answer & Explanation Answer: A) 85

Explanation:
Report Error

View Answer Report Error Discuss

0 880
Q:

What is the smallest integer that is divisible by 3, 7 and 18?

 

A) 63 B) 252
C) 72 D) 126
 
Answer & Explanation Answer: D) 126

Explanation:
Report Error

View Answer Report Error Discuss

0 1028
Q:

If the mean of the numbers 27 + x, 31 + x, 89 + x, 107 + x and 156 + x is 82.then the mean of 130 + x, 126 x, 68 + x, 50 + x 1 + x is :

 

A) 80 B) 75
C) 50 D) 70
 
Answer & Explanation Answer: B) 75

Explanation:
Report Error

View Answer Report Error Discuss

0 286
Q:

Arrange the following in the decreasing order?

 

(√23 – √21), (√19 – √17), (√21 – √19)

 

A) (√23 – √21) > (√21 – √19) > (√19 – √17)   B) (√23 – √21) > (√19 – √17) > (√21 – √19)  
C) (√19 – √17) > (√21 – √19) > (√23 – √21)   D) (√21 – √19) > (√23 – √21) > (√19 – √17)
 
Answer & Explanation Answer: C) (√19 – √17) > (√21 – √19) > (√23 – √21)  

Explanation:
Report Error

View Answer Report Error Discuss

0 805