Q.1. What should come in place of question mark (?) in the following number series?
निम्नलिखित संख्या श्रृंखला में प्रश्न चिह्न (?) के स्थान पर क्या आना चाहिए?
(1) 1581
(2) 1681
(3) 1781
(4) 1881
(5) 1981
Q.2. What should come in place of question mark (?) in the following number series?
निम्नलिखित संख्या श्रृंखला में प्रश्न चिह्न (?) के स्थान पर क्या आना चाहिए?
18 20 44 138 560 2810 ?
(1) 16818
(2) 16836
(3) 16854
(4) 16872
(5) 16890
3-A lottery is organized by the college ABC through which they will provide a scholarship of rupees one lakh to only one student. There are 100 fourth-year students, 150 third-year students, 200 second-year students, and 250 first-year students. What is the probability that a second-year student is chosen?
(1) 1/7
(2) 2/7
(3) 3
(4) 4/7
(5) None of these
4-In the following question two equations numbered I and II are given. You have to solve both the equations and give answer.
I. 4x^2 = 49
II. 9y^2 - 66y + 121 = 0
(1) x < y
(2) x ≤ y
(3) x > y
(4) x ≥ y
(5) x = y or relation can’t be determined
Q.5. In the following question two equations numbered I and II are given. You have to solve both the equations and give answer.
निम्नलिखित प्रश्न में I और II क्रमांकित दो समीकरण दिए गए हैं। आपको दोनों समीकरणों को हल करना होगा और उत्तर देना होगा।
I. 9x^2 - 18x + 5 = 0
II. 2y^2 - 9y2 + 10 = 0
(1) x < y
(2) x ≤ y
(3) x > y
(4) x ≥ y
(5) x = y or relation can’t be determined
Q.6. In the following question two equations numbered I and II are given. You have to solve both the equations and give answer.
निम्नलिखित प्रश्न में I और II क्रमांकित दो समीकरण दिए गए हैं। आपको दोनों समीकरणों को हल करना होगा और उत्तर देना होगा।
I. x^2 + 9x + 14 = 0
II. y^2 + y - 2 = 0
(1) x < y
(2) x ≤ y
(3) x > y
(4) x ≥ y
(5) x = y or relation can’t be determined
Q.7. In the following question two equations numbered I and II are given. You have to solve both the equations and give answer.
निम्नलिखित प्रश्न में I और II क्रमांकित दो समीकरण दिए गए हैं। आपको दोनों समीकरणों को हल करना होगा और उत्तर देना होगा।
I. 2x^2 - 7x + 6 = 0
II. 4y^2 = 9
(1) x < y
(2) x ≤ y
(3) x > y
(4) x ≥ y
(5) x = y or relation can’t be determined
Q.8 A fruit vendor sells apples and oranges and gets equal revenue from each. He gets a profit of 20% oneachappleandaprofitof25% one a chorange. If the ratio of the number of oranges sold to the number of apples sold is 3 : 2, what is the ratio of the cost price of an orange to that of an apple?
(1) 25:16
(2) 16:25
(3) 36:25
(4) 49:36
(5) 36:49
Q.9. In how many ways five choclates can be choosen from an unlimted number of Dairy Milk, Five Star and Milky Bar choclates.
(1) 81
(2) 243
(3) 125
(4) Cannot be determined
(5) None of these
Q.10. A vessel contains 37.5% solution of diluted nitric acid. If 70 ml more nitric acid is added in it, then concentration of nitric acid in vessel becomes 66.67%. What is the volume of nitric acid in original mixture in vessel?
(1) 60 ml
(2) 40 ml
(3) 50 ml
(4) 45 ml
(5) Other than above
Answer Key-
1-Sol. (2)
2-Sol. (4)
3-Sol. (2)
4-Sol. (1)
5-Sol. (1)
6-Sol. (2)
7-Sol. (4)
8-Sol. (2)
9-Sol. (2)
10-Sol. (4)