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Srijan Mukherjee

· started a discussion

· 1 Months ago

Wrong Answar (Question:586483.0)

Statement C: root(7056)/3+root(1225)=84/3+35*20=728
It is calculated as 1260.

Question:

DIRECTIONS: In the given question three expressions numbered I, II and III are given. You have to solve all the expressions and give answer:

Statement (A):

\(21×2(298−196+168÷4÷2−(9)^2)\)

Statement (B):

2161.3×361.8÷60.5(6)0.5    

Statement (C):

\(\cfrac{\sqrt{7056}}{3} + \sqrt{1225 }\times (4^2+2^2)\)

Options:
A)

B > A > C

B)

A > B > C

C)

A < B < C

D)

A = B > C

E)

A = B < C

Solution:

Ans: (a)

Statement (A):

\(21×2(30−12+168÷4÷2−(9)^2)\)

21 × 2 (102 + 21 - 81)

21 × 2(42)

1764

Statement (B):

2161.3×361.8÷60.5    

⇒63.9×63.6÷60.5    

⇒63.9+3.6-0.5    

⇒67    

Statement (C):

7056÷3+1225    

\(\cfrac{84}{3}+35\times (20)\)   

= 63× 20

1260

Knowledge Expert

· commented

· 1 Months ago

We made the required correction.
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