MCQ
The common difference of an A.P. in which $a_{15}-a_{11}=48$, is
- ✓12
- B16
- C-12
- D-16
✓
Answer
Correct option: A.
12
A
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The sum of first $n$ positive integers is :
→If $\sin \theta=x$ and $\sec \theta=y$, then $\tan \theta$ is equal to
→If $2x - 3y = 7$ and $(a + b)x - (a + b - 3)y = 4a + b$ have an infinite number of solutions, then :
→In the formula, $\bar{\text{x}}=\Big\{\text{A}+\frac{\sum\text{f}_\text{i}\text{d}_\text{i}}{\sum\text{f}_\text{i}}\Big\}$ for finding the mean of the grouped data, the $d_i\ 's$ are the deviations from $A$ of:
→Raju bought a fish from a shop for his aquarium. The shop keeper takes out one fish from a tank containing 15 male fish and 18 female fish. The probability that the fish taken out is a male fish is
In a family of 3 children, the probability of having at least one boy is:
The probability of an impossible event is
Which of the following equations has the sum of its roots as 3 ?
A rectangular sheet of paper $40\ cm \times 22\ cm,$ is rolled to form a hollow cylinder of height $40\ cm.$ The radius of the cylinder $($in $\ cm)$ is :
→In Figure $1, O$ is the centre of a circle $,PQ$ is a chord and $PT$ is the tangent at $P$. If $\angle\text{POQ}=70^\circ,$ then $\angle\text{TPQ}$ is equal to :
→