Question
If the radius of a circle is given up to 15 times, how
much of its perimeter will be the perimeter of the previous perimeter?Solution
Let radius of the circle be r cm. Circumference of the circle = 2 Οr New radius of the circle = 15 r New circumference of the circle = 2 Ο Γ 15r = 30 Οr Required answer = 30 Οr/2 Οr = 15 (times)
Which of the following symbols should replace the sign (%) and (&) in the expression ' E > J β₯ N % T < S β€ U = W & Y β₯ L' in order to make the exp...
If β%β means (Γ·), β#β means (-), β@β means (Γ), and β&β means (+), then what is the value of the expression:
75 & 15 # 50 % 2 @...
Which two signs should be interchanged to make the given equation correct?
15 Γ· 6 - 10 x 5 + 11 = 99
IfΒ β + β means ' Γ ', β β β means ' Γ· ' , βΓβ means '+' and βΓ·β means 'β', Then compute the value of the expression: 54 β 9 ...
Which two signs should we interchange inorder to make the given equation true?
36 × 5 - 84 ÷ 4 + 50 = 151
If '+' means 'subtraction', ' X ' means 'addition', '-' means 'division' and 'Γ·' means 'multiplication', then what is the value of the following expre...
Which two signs should be interchanged in the following equation to make it correct?
24 + 12 Γ· 6 - 8 x 2 = 92
Select the correct combination of mathematical signs that can sequentially replace the * signs and make the equation correct.
25 * 55 * 30 * 66 * 48 = 48
In a certain code of language, β+β represents βΓβ, β-β represents β+β, βΓβ represents βΓ·β and βΓ·β represents β-β. Wh...
How many meaningful four-letter words can be formed using the 1st, 3rd, 7th, and 8th letters of the word 'PERIPHERAL'?
