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Question : Convex mirror is generally used in _____.
Option 1: solar cookers
Option 2: opthamoscope
Option 3: reflector for head light
Option 4: rear view mirror
Correct Answer: rear view mirror
Solution : The correct option is rear view mirror.
Convex lenses are bent outward, which enables them to diverge light beams, which reduces the apparent size of things while enlarging the field of view. In a rearview mirror, this is especially helpful because it
Question : Which of the following countries contributes the maximum to the world's diamond supply?
Option 1: Russia
Option 2: U.S.A
Option 3: Japan
Option 4: South Africa
Correct Answer: Russia
Solution : The correct answer is Russia.
Russia is the leading producer and exporter of Diamonds in the world. It has the world's richest diamond reserves. Russia, Botswana, and Canada are the top 3 diamond-producing countries in the world. India is the 4th largest producer of
Question : Directions: In a certain code language, Live long is coded as mu ae, Road is long is coded as ae si du, and Game is live is coded as si mu zt. What is the code for the word Game?
Option 1: si
Option 2: mu
Option 3: zt
Option 4: ae
Correct Answer: zt
Solution : Given: 1. Live long⇒mu ae 2. Road is long⇒ae si du 3. Game is live⇒si mu zt
By comparing all the coded sentences, we find that – In sentences 1 and 2, long is a common word and ae is a common code. In sentences
Question : Directions: Arrange the following words as per order in the dictionary. 1. Centre 2. Center 3. Central 4. Centrum
Option 1: 2, 1, 3, 4
Option 2: 2, 3, 4, 1
Option 3: 3, 2, 1, 4
Option 4: 2, 3, 1, 4
Correct Answer: 2, 3, 1, 4
Solution : Given: 1. Centre 2. Center 3. Central 4. Centrum
Step 1: Compare the first letter of each word. Since all the words start with the same letter C, then move on to the next letter. Step 2: The second, third, and
Question : Select the most appropriate meaning of the underlined idiom in the given sentence.
If you keep dodging your manager’s call, you will be on thin ice.
Option 1: In a risky situation
Option 2: Perform adequately
Option 3: Change plans in the middle of a process
Option 4: Go to jail
Correct Answer: In a risky situation
Solution : The correct choice is the first option.
Thin ice is a metaphor for a dangerous or risky situation. If someone says that someone is on thin ice, it means that the person is doing something risky, which may have serious or
Question : Direction: In the given question, select the related letter from the given alternatives.
VOHA : WPIB :: CJQX : ?
Option 1: DKRY
Option 2: YRKD
Option 3: RKDY
Option 4: YDKR
Correct Answer: DKRY
Solution : Given:
Here, the pattern is as follows →
Similarly, from the first option →
Question : Directions: Select the number that will replace the question mark (?) in the following series. 21, ?, 45, 180, 185
Option 1: 33
Option 2: 63
Option 3: 41
Option 4: 42
Correct Answer: 42
Solution : Given: 21, ?, 45, 180, 185
Add and multiply the consecutive numbers alternately to the previous term to obtain the next term. 21 × 2 = 42; 42 + 3 = 45; 45 × 4 = 180; 180 + 5 = 185
So, 42 is
Question : The HCF of two numbers 960 and 1020 is:
Option 1: 40
Option 2: 120
Option 3: 60
Option 4: 80
Correct Answer: 60
Solution : Factors of 960 = 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 Factors of 1020 = 2 × 2 × 3 × 5 × 17 $\therefore$ HCF of 960 and 1020 = 2 × 2 × 3 ×
Question : Who is referred to as the "Darwin of the 20th Century?"
Option 1: Katherine Esau
Option 2: Ernst Mayr
Option 3: Har Gobind Khorana
Option 4: Marshall Warren Nirenberg
Correct Answer: Ernst Mayr
Solution : The correct option is Ernst Mayr.
German-American biologist, ornithologist, and science historian Ernst Mayr (1904–2005) made important contributions to the disciplines of evolutionary biology and biology philosophy. He was instrumental in the contemporary synthesis of evolutionary theory, which combined Mendelian genetics and Darwinian
Question : P, Q, and R alone can complete a piece of work in 30 hours, 10 hours and 15 hours respectively. In how much time will they finish the work if they work together?
Option 1: 5 hours
Option 2: 4 hours
Option 3: 8 hours
Option 4: 10 hours
Correct Answer: 5 hours
Solution : The rate at which P, Q, and R work is $\frac{1}{30}$, $\frac{1}{10}$, and $\frac{1}{15}$ of the work per hour, respectively. When they work together, their combined rate is $ = \frac{1}{30} + \frac{1}{10} + \frac{1}{15} = \frac{1}{5}$ of the work per hour $\therefore$ The
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