To construct a square, we need to know:
To construct a square, we need to know? All sides All angles One side One angle The correct option is... View Article
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Mr Smith had 4 daughters each of them had a brother how many children does Mr Smith have?
Mr Smith has five children. This is because Mr Smith had 4 daughters and each had one brother.
If two non parallel sides of a trapezium are equal prove that it is cyclic
Given: ABCD is a trapezium where non-parallel sides are equal that is, AD = BC Construction: DM and CN are... View Article
6 interns and 2 managers working together can do five times the work that an interns and a manager can do. Calculate the ratio of the working capacities of an intern and a manager?
No.of interns = 6 No.of managers = 2 The work done by an intern = x The work done by... View Article
Counting by twos, write numbers starting from: (a) 7786 (b) 4003. Counting by fives, write numbers starting from: (a) 3505 (b) 7913
7788, 7790, 7792, 7794
Cory has 6 times as many cookies as mike.phil has half as many as judy.judy has half as many as cory.mike has 6 cookies.how many cookies does phil have
Given: Mike has 6 cookies Cory has 6 times as many as Mike has That is, Cory has 6×6 cookies... View Article
Which one of the following statement is?
Which of the following statement is correct? If x<sup>6</sup>+1 is divisible by x+1 remainder is -2 If x<sup>6</sup>+1 is divisible... View Article
3 o’clock and quarter past 3 is?
3 o’clock is 3:00 Quarter past 3 is 3:30
9,3,18,6,36,12….. Missing letter in this series
Given series: 9,3,18,6,36,12… To find: Missing terms Solution: To determine the missing numbers in the series, we need to understand... View Article
1-cos2A is equal to:
1-cos 2A is equal to? sin 2A tab 2A 1-sin 2A sec 2A The correct option is i. sin 2A... View Article
What is the solution of the equation x-1=0?
x-1=0 x=0-1 x=1 These are called zeroes of the polynomial.
Write the pythagorean triplet if one number is 14
Let us assume 2 m=14; therefore m=7 Now m2+1=49+1=50 And m2−1=49−1=48 So, the other Pythagorean triplets are of the form... View Article
T square – 15. Find the zeros of the following quadratic polynomials
\(\begin{array}{l}t^{2}-15\end{array} \) \(\begin{array}{l}t^{2}-15 = 0\end{array} \) \(\begin{array}{l}(t+sqrt{15})(t-sqrt{15})=0\end{array} \) \(\begin{array}{l}(t+sqrt{15})=0 (t-sqrt{15})=0\end{array} \) \(\begin{array}{l}t=-sqrt{15}\end{array} \) and \(\begin{array}{l}t=sqrt{15}\end{array} \) t=−15 or t=15. Hence,... View Article
One thousand less than one lakh is
1,00,000 – 1,000 =99,000
Find the value of x, if: 8^255=(32)^x
\(\begin{array}{l}(8)^{255}=(32)^{x}\end{array} \) \(\begin{array}{l}(2^{3})^{255}\end{array} \) = \(\begin{array}{l}(2^{5})^{x}\end{array} \) \(\begin{array}{l}2^{765}=2^{5x}\end{array} \) 5x=765 x=153
Factorise 6x^2+17x+5
\(\begin{array}{l}6x^{2}+17x+5\end{array} \) Factorise by splitting the middle term \(\begin{array}{l}6x^{2}+2x+15x+5\end{array} \) =2x(3x+1)+5(3x+1) =(3x+1)(2x+5)
The additive inverse of 0 is?
The additive inverse of 0 is zero (0).
If an = 3 + 4n, show that a1,a2,a3,a4 ……..an, from an arithmetic progression. Also find the sum of first 25 terms.
an = 3 + 4n a1 = 3+4(1) = 7 a2 = 3+4(2) = 11 a3 = 3+4(3) = 15... View Article
Determine the integer whose product with (-1) is i. 58 ii. 0 iii. -225
i. Given 58 We need to determine the integer which is multiplied by -1 58 x -1 = -58 The... View Article
Find the area of a quadrant of a circle whose circumference is 22 cm
Given: Circumference of a circle = 22cm 2πr = 22 2 x 22/7 x r = 22 2r = 7... View Article
