Staff Selection Commission Sub Inspector Exam
Question : In the given figure, PAB is a secant and PT is a tangent to the circle from P. If PT = 5 cm, PA = 4 cm and AB = x cm, then x is:
Option 1: $\frac{4}9$ cm
Option 2: $\frac{9}4$ cm
Option 3: 5 cm
Option 4: $\frac{2}{3}$ cm
Correct Answer: $\frac{9}4$ cm
Solution : Given, PT = 5 cm, PA = 4 cm and AB = x cm, Secant PB = (4 + x) cm. As we know when a tangent and secant are drawn from a common point outside the circle, then the square of the tangent
Question : Simplify the following: $\mathrm{(1+cot^2\theta)(1-cos\theta)(1+cos\theta)}$
Option 1: 1
Option 2: –5
Option 3: 3
Option 4: –3
Correct Answer: 1
Solution : $\mathrm{(1+cot^2\theta)(1-cos\theta)(1+cos\theta)}$ $=\mathrm{(1+cot^2\theta)(1-cos^2\theta)}$ $=\mathrm{(cosec^2\theta)(sin^2\theta)}$ $=1$ Hence, the correct answer is 1.
Question : In which year was the Jammu and Kashmir Legislative Council abolished?
Option 1: 2019
Option 2: 2020
Option 3: 2022
Option 4: 2021
Correct Answer: 2019
Solution : The correct option is 2019.
The Jammu and Kashmir Legislative Council was formally abolished on October 31, 2019. This followed the passage of the Jammu and Kashmir Reorganisation Act, 2019, which reorganised the state into the Union Territories of Jammu Kashmir and Ladakh. As
Question : Directions: From the given answer figures, select the one in which the question figure is hidden/embedded.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Because there is no restriction on the rotation of the figure, we will check all the possible angles where the question figure can fit itself in the given option figures. By comparison of all the option figures, the given question figure is embedded only in the
Question : Directions: Select the word pair in which the two words are related in the same way as the two words in the given pair. Lion : Forest
Option 1: Bee : Honey
Option 2: Shark : Ocean
Option 3: Flower : Honey
Option 4: Sorrow : Love
Correct Answer: Shark : Ocean
Solution : Given: Lion : Forest (Lion lives in the forest.)
Let's check the given options – First option: Bee : Honey; Bee lives in the beehive. Second option: Shark : Ocean; Shark lives in the ocean. Third option: Flower : Honey; Flower is not
Question : Directions: Three of the following four words are alike in a certain way and one is different. Select the odd word.
Option 1: Calf
Option 2: Lamb
Option 3: Deer
Option 4: Cub
Correct Answer: Deer
Solution : Let's check each option – First option: Calf; A calf is a young domestic cow or bull. Second option: Lamb; A baby sheep is called a lamb. Third option: Deer; A hoofed grazing or browsing animal. Fourth option: Cub; The young one of a lion
Question : If the radius of two circles is 6 cm and 9 cm and the length of the transverse common tangent is 20 cm, then find the distance between the two centres.
Option 1: 25 cm
Option 2: 22 cm
Option 3: 24 cm
Option 4: 27 cm
Correct Answer: 25 cm
Solution : According to the question Length of traverse common target = 20 cm $r_1$ = 6 cm and $r_2$ = 9 cm Now, ⇒ Length of traverse common target = $\sqrt{d^{2} - (r_1 + r_2)^{2}}$ ⇒ $(20)^{2} = \sqrt{d^{2} - (r1 + r2)^{2}}$ ⇒ 400
Question : Hard water and soft water can be distinguished by using
Option 1: Dilute acid
Option 2: Ordinary soap
Option 3: Detergent
Option 4: Liquid soap
Correct Answer: Detergent
Solution : The correct option is Detergent.
Hard water requires more detergent to remove stains and provide a deep cleaning. On the other hand, soft water makes the process easier because it requires less water and detergent for a thorough cleaning.
Question : Directions: Which one of the following responses is correct? 8 * 5 * 27 * 3 * 16
Option 1: ×, =, –, +
Option 2: –, =, ×, +
Option 3: ×, =, +, –
Option 4: +, –, =, ×
Correct Answer: ×, =, –, +
Solution : Given: 8 * 5 * 27 * 3 * 16
Replace * with the mathematical signs and solve the equation using the BODMAS rule.
Let's check the given options – First option: ×, =, –, + ⇒ 8 × 5 = 27
Question : Directions: Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation. 234 * 345 * 456 * 567 * 678 * 12
Option 1: −, +, +, −, =
Option 2: ÷, −, +, −, =
Option 3: +, ×, +, −, =
Option 4: +, −, +, −, =
Correct Answer: +, −, +, −, =
Solution : Given: 234 * 345 * 456 * 567 * 678 * 12
Let's check the options – First option: −, +, +, −, = ⇒ 234 − 345 + 456 + 567 − 678 = 12 Solving the L.H.S. of the
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