Water boils at 212°F or 100°C and melts at 32°F or 0°C . If the temparature of the particular day is 35°C , it is equal to :

Correct Answer: 0

Correct Answer: 100

Explanation:

[15% of 300% of 560] × 2 ÷ 5

= (15 x 300 x 560 x 2)/100 x 100 x 5

~= 100 

Correct Answer: 226.65

Explanation:

55.55 + 155 + 15.55 + 0.5 + 0.05 = ?

 

 55.55

155.00

 15.55

   0.5

   0.05

_______

226.65

_______

 

Hence, the value of the given equation 55.55 + 155 + 15.55 + 0.5 + 0.05 = 226.65.

Correct Answer: 45

Explanation:

Let number of 20 ps coins = x and

number of 25 ps coins = y

Given total coins in the bag = 50

x + y = 50.......(1)

But the total money in the bag = Rs. 10.25

0.20x + 0.25y = 10.25

20x + 25y = 1025.........(2)

Now multiplying (1) by 25 we get

25x+25y=1250.............(3)

By solving (2) and (3)

20x + 25y = 1025;

=> x = 45;

Then, the no. of 20 ps coins are 45.

Correct Answer: 3

Explanation:

Given teacher drinks 9 ltr
Let number of boys be 'A'.
Let number of girls be 'B'.
Boy drinks 7 ltr and girl drinks 4 ltr
After class total water consumed = 42 ltr
Then,
9 + 7A + 4B = 42
=> 7A + 4B = 33
By trial and error method,
The only integers which satisfy the equation is A = 3 and B = 3
Therefore, number of girls in the class = 3.

Correct Answer: 78

Explanation:

Given exp = 13 4 ÷ 5 4 - 1 2 5 2 - 3 - 2 12=  13 4 ÷ 5 4 - 1 2 5 2 - 1 12

 

=  13 4 ÷ 5 4 - 1 2 30 - 1 12 =  13 4 ÷ 5 4 - 29 24

 

 =  13 4 ÷ 30 - 29 24=78

Correct Answer: 10

Explanation:

1 7 x 1 2 x 1 9 . 5 x 1 2 x 2660 = 2660 266 = 10

Correct Answer: None of these

Explanation:

$$\begin{gathered} 7 8 x 448 + 6 7 x 3374 \\ = > 392 + 2892 \\ = > 3284 \end{gathered}$$

Correct Answer: 568

Explanation:

142 x 142 x 1 1260 . 25

 

=>  142 x 142 x 1 35 . 5 = 568

Correct Answer: cosx