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Question : Directions: If GOPAL is coded as MIVUR, then how will RADHA be coded as ______.
Option 1: XVJBG
Option 2: XUJBG
Option 3: XTJBG
Option 4: XUJCG
Correct Answer: XUJBG
Solution : Given: GOPAL is coded as MIVUR –
Add 6 and subtract 6 alternatively from the place value of each letter of the word GOPAL to obtain the required code – G + 6 = M; O – 6 = I; P + 6 = V;
Question : Directions: After arranging the given words according to dictionary order, which word will come in the third position? 1. Aquarium 2. Aquatic 3. Aquarial 4. Aquatint 5. Aquavit
Option 1: Aquatic
Option 2: Aquatint
Option 3: Aquarial
Option 4: Aquarium
Correct Answer: Aquatic
Solution : Given: 1. Aquarium 2. Aquatic 3. Aquarial 4. Aquatint 5. Aquavit
Step 1: The first four letters of each word are the same – a, q, u, a; so move on to the next letter. Step 2: The fifth letter of
Question : Direction: In the given question, select the related letter from the given alternatives.
KMNP : ACDF :: PRSU : ?
Option 1: STVW
Option 2: TVWY
Option 3: VXYZ
Option 4: LNPR
Correct Answer: TVWY
Solution : Given:
Here, the logic is that the second alphabet of each letter adds 2 letters ahead of the first letter, the third letter adds 1 ahead of the second letter and the fourth letter adds 2 ahead of
Question : Which of the following is not a feature of money?
Option 1: Convenient unit of account
Option 2: Perishable
Option 3: General acceptability
Option 4: Liquid asset
Correct Answer: Perishable
Solution : The correct option is Perishable.
Money does not have the quality of perishability. The widespread consensus is that money is durable, meaning it doesn't rot, corrode, or expire and doesn't lose value over time. Certain products or commodities that have a short shelf life and
Question : who were The ‘Ajivikas’?
Option 1:
Sect contemporary to the Buddha
Option 2: Breakaway branch of the Buddhists
Option 3: Sect founded by Charvaka
Option 4: Sect founded by Shankaracharya
Correct Answer:
Solution : Correct Answer is Sect contemporary to the Buddha
The Ajivikas is a prehistoric Indian ascetic religion that believed in freedom, fatalism, and karma. This sect was particularly influential during the reign of the Mauryan king Bindusara. King Bindusara and his wife
Question : A, B and C can do a piece of work in 11 days, 20 days and 55 days respectively. How soon can the work be done if A works with B on the first day, A works with C on the second day and so on?
Option 1: $8 \frac{1}{2}$ days
Option 2: $9\frac{1}{2}$ days
Option 3: 8 days
Option 4: 9 days
Correct Answer: 8 days
Solution : Total work = LCM (11, 20 and 55) = 220 units Efficiency of A = $\frac{220}{11}$ = 20 units/day Efficiency of B = $\frac{220}{20}$ = 11 units/day Efficiency of C = $\frac{220}{55}$ = 4 units/day Combined work of A and B = 20 +
Question : The square root of $\frac{2+\sqrt{3}}{2}$ is:
Option 1: $\pm \frac{1}{\sqrt{2}}(\sqrt{3}+1)$
Option 2: $\pm \frac{1}{2}(\sqrt{3}-2)$
Option 3: $\text{none}$
Option 4: $\pm \frac{1}{2}(\sqrt{3}+1)$
Correct Answer: $\pm \frac{1}{2}(\sqrt{3}+1)$
Solution : Given: $\frac{2+\sqrt{3}}{2}$ $= \frac{1}{4}({4+2\sqrt{3}})$ $= \frac{1}{4}[1^2+(\sqrt{3})^2+2×1×\sqrt{3}]$ $= \frac{1}{4}(1+\sqrt{3})^2$ So, the square root of $\frac{2+\sqrt{3}}{2}$ $= \sqrt{\frac{2+\sqrt{3}}{2}}$ $= \sqrt{\frac{1}{4}(1+\sqrt{3})^2}$ $= \pm \frac{1}{2}(1+\sqrt{3})$ Hence, the correct answer is $\pm \frac{1}{2}(\sqrt{3}+1)$ .
Question : If $\sin \theta+\cos \theta=\frac{\sqrt{3}-1}{2 \sqrt{2}}$, then what is the value of $\tan \theta+\cot \theta$?
Option 1: $8(\sqrt{3}-2)$
Option 2: $12(\sqrt{3}-2)$
Option 3: $12(\sqrt{3}+2)$
Option 4: $8(\sqrt{3}+2)$
Correct Answer: $8(\sqrt{3}-2)$
Solution : Given, $\sin \theta+\cos \theta=\frac{\sqrt{3}-1}{2 \sqrt{2}}$ Squaring both sides, we get, ⇒ $(\sin \theta+\cos \theta)^2=(\frac{\sqrt{3}-1}{2 \sqrt{2}})^2$ ⇒ $\sin^2\theta+\cos^2\theta+2\sin\theta\cos\theta=\frac{3+1-2\sqrt3}{8}$ ⇒ $1+2\sin\theta\cos\theta=\frac{4-2\sqrt{3}}{8}$ ⇒ $2\sin\theta\cos\theta=\frac{2-\sqrt3}{4}-1$ ⇒ $2\sin\theta\cos\theta=\frac{2-\sqrt3-4}{4}$ ⇒ $\sin\theta\cos\theta=\frac{-2-\sqrt3}{8}$ Now consider, $\tan \theta+\cot \theta$ $=\frac{\sin\theta}{\cos\theta}+\frac{\cos\theta}{\sin\theta}$ $=\frac{\sin^2\theta+\cos^2\theta}{\sin\theta\cos\theta}$ $=\frac{1}{\sin\theta\cos\theta}$ $=\frac{1}{\frac{-2-\sqrt3}{8}}$ $=\frac{-8}{2+\sqrt3}$ Rationalizing it, we get, $=\frac{-8}{2+\sqrt3}\times\frac{2-\sqrt3}{2-\sqrt3}$ $=\frac{-8(2-\sqrt3)}{2^2-(\sqrt3)^2}$ $=\frac{8(\sqrt{3}-2)}{4-3}=8(\sqrt3-2)$ Hence, the correct
Question : Directions: Select the related cluster of letters from the given alternatives. CURTAIN : XFIGZRM :: DESIGNER : ?
Option 1: WVHRTMVI
Option 2: WVHSTMVI
Option 3: WVHSTOVI
Option 4: WUHRTMUI
Correct Answer: WVHRTMVI
Solution : Given: CURTAIN : XFIGZRM :: DESIGNER : ?
Opposite letter pairs of CURTAIN –
So, CURTAIN is related to XFIGZRM.
Similarly, follow the same pattern for DESIGNER –
Question : The mean of $x$ and $\frac{1}{x}$ is $N$. Then the mean of $x^2$ and $\frac{1}{x^2}$ is:
Option 1: $N^2$
Option 2: $2N^2-1$
Option 3: $N^2-2$
Option 4: $4N^2-2$
Correct Answer: $2N^2-1$
Solution : Mean of $x$ and $\frac{1}{x}$ is $N$. So, $\frac{x+\frac{1}{x}}{2}$ = $N$ Squaring both sides, ⇒ $\frac{(x+\frac{1}{x})^2}{2^2}$ = $N^2$ ⇒ $\frac{x^2+\frac{1}{x^2}+2×x×\frac{1}{x}}{4}$ = $N^2$ ⇒ $x^2+\frac{1}{x^2}$ = $4N^2-2$ So, the mean of $x^2$ and $\frac{1}{x^2}$ = $\frac{x^2+\frac{1}{x^2}}{2}$ = $2N^2-1$ Hence, the correct answer is $2N^2-1$.
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