After striking the floor, a rubber ball rebounds to 4/5 of the height from which it has fallen. Find the total distance that it travels before coming to rest if it has been gently dropped from a height of 120 metres.
After striking the floor, a rubber ball rebounds to 4/5 of the height from which it has fallen. Find the total distance that it travels before coming to rest if it has been gently dropped from a height of 120 metres.
How many terms are there in G.P 3,6,12,24,….,384?
How many terms are there in G.P 3,6,12,24,….,384?
Four angles of a quadrilateral are in G.P. Whose common ratio is an intiger. Two of the angles are acute while the other two are obtuse. The measure of the smallest angle of the quadrilateral is
Four angles of a quadrilateral are in G.P. Whose common ratio is an intiger. Two of the angles are acute while the other two are obtuse. The measure of the smallest angle of the quadrilateral is
A bacteria gives birth to two new bacteria in each second and the life span of each bacteria is 5 seconds. The process of the reproduction is continuous until the death of the bacteria. initially there is one newly born bacteria at time t = 0, the find the total number of live bacteria just after 10 seconds :
Options:
\(A. 3^{10} /2 \\
B. 3^{10} - 2^{10} \\
C. 243 \times(3^5 -1) \\
D. 3^{10} -2^5\\
E. None\;of\;these\)
A bacteria gives birth to two new bacteria in each second and the life span of each bacteria is 5 seconds. The process of the reproduction is continuous until the death of the bacteria. initially there is one newly born bacteria at time t = 0, the find the total number of live bacteria just after 10 seconds :
Options:
\(A. 3^{10} /2 \\
B. 3^{10} - 2^{10} \\
C. 243 \times(3^5 -1) \\
D. 3^{10} -2^5\\
E. None\;of\;these\)
The 7 and 21 terms of an AP are 6 and -22 respectively. Find the 26 term.
The 7 and 21 terms of an AP are 6 and -22 respectively. Find the 26 term.
The sum of the three numbers in A.P is 21 and the product of their extremes is 45. Find the numbers.
The sum of the three numbers in A.P is 21 and the product of their extremes is 45. Find the numbers.
If Sn denotes the sum of the first n terms in an Arithmetic Progression and S1: S4 = 1: 10 Then the ratio of first term to fourth term is:
If Sn denotes the sum of the first n terms in an Arithmetic Progression and S1: S4 = 1: 10 Then the ratio of first term to fourth term is:
A boy agrees to work at the rate of one rupee on the first day, two rupees on the second day, and four rupees on third day and so on. How much will the boy get if he started working on the 1st of February and finishes on the 20th of February?
Options:
\(A.2^{20} \\
B.2^{20}-1 \\
C.2^{19^{-1}} \\
D.2^{19} \\\)
A boy agrees to work at the rate of one rupee on the first day, two rupees on the second day, and four rupees on third day and so on. How much will the boy get if he started working on the 1st of February and finishes on the 20th of February?
Options:
\(A.2^{20} \\
B.2^{20}-1 \\
C.2^{19^{-1}} \\
D.2^{19} \\\)
How many numbers between 11 and 90 divisible by 7?
How many numbers between 11 and 90 divisible by 7?
If the fifth term of a GP is 81 and first term is 16, what will be the 4 term of the GP?
If the fifth term of a GP is 81 and first term is 16, what will be the 4 term of the GP?