**Directions: What value should come in place of the x in the following questions? **

- 49
^{2}× 7^{9}÷ 343^{3}= 7^{x}

A) 3

B) 5

C) 8

D) 7

E) 4

- 58.09% of 449.9 – x% of 249.98 = 181.003 (Use Approximations)

A) 24

B) 46

C) 32

D) 23

E) 39

- 6 3/8 – 3 1/16 + 5 1/8 = x

A) 8 9/16

B) 9 3/16

C) 4 5/16

D) 8 7/16

E) 6 5/16

- 64
^{5}× 8^{9}÷ 512^{4}= 8^{x}

A) 11

B) 16

C) 12

D) 9

E) 7

- √(57 × 9.5 – (63 × 11.5) + 1408) = x

A) 22

B) 35

C) 33

D) 24

E) 42

- (3√5 +6)
^{2}= x + 36√5 + 59

A) 22

B) 27

C) 33

D) 24

E) 18

- √11449 × √6241 – 54
^{2}= √x + 74^{2}

A) 3227

B) 3114

C) 3398

D) 3165

E) 3721

- 39.897% of 4331 + 58.779% of 5003 = x (Use Approximations)

A) 4300

B) 4700

C) 5200

D) 5500

E) 3900

- 4444 ÷ 40 + 645 ÷ 25 + 3991 ÷ 26 = x

A) 298.6

B) 267.5

C) 290.4

D) 287.4

E) 284.3

- 5 17/37 × 4 51/52 × 11 1/7 + 2 3/4= x

A) 316.25

B) 327.75

C) 317.25

D) 302.75

E) 305.75

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Q4 ka answer e hoga…

Yes E only

Mam Q 10 can it be solved without expansion of mixed fractions?

no

yes.But you should calculate through approximation method.By practice you can be an adept

ty..

thank u

please explain all answer completely , for some of the question given answer only, no explanation there

Q3 ko jldi solve kaise kre?