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Question : Directions: In the following question some statements are given followed by some conclusions based on those statements. Taking the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows the given statements. Statements: I. Some C are D. II. All D is E. Conclusions: I. All C is E. II. All D is C. III. All E is D.
Option 1: Only conclusion I follows
Option 2: None of the conclusion follows
Option 3: Only conclusion II follows
Option 4: All conclusion follows
Correct Answer: None of the conclusion follows
Solution : The possible Venn diagram according to the given statements is as follows –
Let's analyse the conclusions – Conclusion (I): All C is E – From the Venn diagram, we can see that the two circles representing E and C intersect
Question : Directions: By interchanging the given two signs and numbers which of the following equations will be correct? × and +, 9 and 6
Option 1: 7 × 6 ÷ 3 + 9 – 8 = 17
Option 2: 6 × 8 – 9 ÷ 3 + 5 = 50
Option 3: 7 + 6 × 4 ÷ 9 – 8 = 8
Option 4: 9 × 7 + 4 ÷ 1 – 6 = 7
Correct Answer: 7 × 6 ÷ 3 + 9 – 8 = 17
Solution : Let's check the options – First option: 7 × 6 ÷ 3 + 9 – 8 = 17 On interchanging the given numbers and symbols, the equation becomes – = 7 + 9 ÷ 3
Question : BCG vaccine is given at the age of
Option 1: 2-3 years
Option 2: 10 years
Option 3: Newborn
Option 4: Within 15 days of birth
Correct Answer: Within 15 days of birth
Solution : The correct option is Within 15 days of birth.
BCG vaccine is a vaccine against tuberculosis [TB]. BCG vaccine is given to newborn babies within 15 days at risk of getting tuberculosis. Tuberculosis is an infectious bacterial disease that mainly affects
Question : Which of the following species are critically endangered?
Option 1: Gangetic Dolphin
Option 2: Forest Owlet
Option 3: White-bellied heron
Option 4: Gyps Vulture
Correct Answer: Forest Owlet
Solution : The correct answer is Forest Owlet.
The woodlands of Central India are home to the Forest Owlet. Given that there are believed to be less than 1,000 mature birds in the population, it has been categorized as Endangered on the IUCN Red List as
Question : Directions: Eight persons J, K, L, M, N, O, P, and Q are sitting around a circular table facing the centre. N is between M and J. P is second to the left of K. O is between Q and P. L is second to the right of O. N is to the immediate left of J. Who is sitting at third place to the right of P?
Option 1: N
Option 2: J
Option 3: M
Option 4: K
Correct Answer: M
Solution : Given: (I) Eight persons J, K, L, M, N, O, P, and Q are sitting around a circular table facing the centre.
(II) N is between M and J.
(III) P is second to the left of K. O is between Q and P. L
Question : Directions: In the following question, find the odd number pair from the given alternatives.
Option 1: 36 – 48
Option 2: 56 – 44
Option 3: 78 – 66
Option 4: 33 – 64
Correct Answer: 33 – 64
Solution : Let's check the options — First option: 36 – 48 ⇒ Both are even numbers. Second option: 56 – 44 ⇒ Both are even numbers. Third option: 78 – 66 ⇒ Both are even numbers. Fourth option: 33 – 64 ⇒ 33 is
Question : The sides of a rhombus are 10 cm each and the diagonal measures 16 cm. The area of the rhombus is:
Option 1: 96 sq. cm
Option 2: 160 sq. cm
Option 3: 100 sq. cm
Option 4: 40 sq. cm
Correct Answer: 96 sq. cm
Solution : Area of rhombus ABCD = 2 × area of $\triangle$ABD $\therefore$ Semi perimeter of $\triangle$ABD = $\frac{10+10+16}{2}$ = 18 cm Now, the area of $\triangle$ABD = $\sqrt{18(18-10)(18-10)(18-16)}$ = $\sqrt{18×8×8×2}$ = $\sqrt{2304}$ = $48$ sq. cm So, the area of rhombus ABCD = 2
Question : Select the most appropriate ANTONYM of the given word. Outstanding
Option 1: Astounding
Option 2: Ordinary
Option 3: Remarkable
Option 4: Honest
Correct Answer: Ordinary
Solution : The correct choice is the second option.
"Outstanding" describes something exceptional or remarkable, standing out from the rest due to its excellence. On the other hand, "ordinary" refers to something common or regular, lacking exceptional qualities.
The meanings of other words are as follows:
Question : The chemical name of 'laughing gas' is
Option 1: Nitric Oxide
Option 2: Nitrogen Dioxide
Option 3: Nitrogen Pentaoxide
Option 4: Nitrous Oxide
Correct Answer: Nitrous Oxide
Solution : The correct answer is Nitrous Oxide.
Nitrous oxide (N2O) is a colourless, odourless gas that is non-flammable. It induces exhilaration and is referred to as 'laughing gas'. Humphry Davy coined the term "laughing gas" to describe it. It is used recreationally
Question : A hollow cylindrical tube made of plastic is 3 cm thick. If the external diameter is 20 cm and the length of the tube is 49 cm, find the volume of the plastic.
Option 1: 7238 cm3
Option 2: 7644 cm3
Option 3: 7546 cm3
Option 4: 7854 cm3
Correct Answer: 7854 cm3
Solution : External Radius = $\frac{20}{2}$ = 10 cm The internal diameter of the tube can be found by subtracting twice the thickness from the external diameter. Internal diameter = 20 – 6 = 14 cm Inner Radius = $\frac{14}{2}$ = 7 cm The volume
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