IB ACIO 2020 – 2021: Most Important Topics To Study Before The IB Exam

1. Pranav went to the bank at the speed of 60 km/h while returning for his home he covered the half of the distance at the speed of 10 km/h, but suddenly he realised that he was getting late so he increased the speed and reached the home by covering rest half of the distance at the speed of 30 km/h. The average speed of the Pranav in the whole length of the journey is? [2017]

1) 24 km/h
2) 14 km/h
3) 16 km/h
4) 10 km/h

2. Suresh started his journey form P to Q by his bike at the speed of 40 km/h and then, the same distance he travelled on his foot at the speed of 10 km/h from Q to R. Then he returned from R to P via Q at the speed of 24 km/h. The average speed of the whole trip is: [2017]
1) 18.5 km/h
2) 19.8 km/h
3) 18.2 km/h
4) 19.2 km/h

1. The average price of 80 mobile phones is Rs. 30,000. If the highest and lowest price mobile phones are sold out then the average price of the remaining 78 mobile phones is Rs. 29,500. The cost of the highest mobile is Rs. 80,000. The cost of the lowest price mobile is? [2017]
1) Rs. 18000
2) Rs. 15000
3) Rs. 19000
4) Can’t be determined

2. In a Company the average income of all the employees is Rs. 20000 per month. Recently the company announced the increment of Rs. 2000 per month for all the employees. The new average income of all the employees is? [2017]
1) Rs. 22000
2) Rs. 24000
3) Rs. 28000
4) Rs. 26000

3. The average expenditure of Mr Sharma from January to June is Rs. 4200 and he spent Rs. 1200 in January and Rs. 1500 in July. The average expenditure for the months of February to July is?  [2017]
1) Rs. 2750
2) Rs. 3250
3) Rs. 4250
4) Rs. 4500

David divides 78 by half and adds 11. What number does he get at the end? [2017]
1) 50
2) 44 ½
3) 167
4) 83 ½

1. At half-past 5 in the evening, the smaller angle between the hour & minute hands of a clock is [2017]
1) 10°
2) 12°
3) 15°
4) 18°

2. Angles of a given triangle are in the ratio of 2 : 3 : 4 What kind of triangle is the given triangle? [2017]
1) Right-angled
2) Obtuse angle
3) Isosceles
4) Acute angle

56% of Y is 182. What is Y? Y? [2017]
1) 350
2) 364
3) 325
4) 330

Find the sum of first 30 natural numbers [2017]
1) 470
2) 468
3) 465
4) 463

Which of the following two ratios is greater 17 : 18 and 10 : 11? [2017]
1) 17/18
2) 10/11
3) Both are same
4) Cannot determine

Series

Find the next term of the sequence 1, 8, 4, 27, 9, …… [2017]
1) 8
2) 9
3) 64
4) 16

1. If TOUR is written as 1234, CLEAR is written as 56784 and SPARE is written as 90847, find the code for CARE [2017]
1) 1247
2) 4847
3) 5247
4) 5847

2. CALANDER is coded in a code as CLANAEDR. Find the code for CIRCULAR under the same rule. [2017]
1) LACANDER
2) CRIUCALR
3) CLANADER
4) None of these

If A is the son of Q, Q and Y are sisters, Z, is the mother of Y, P is the son of Z, then which of the following statements is correct? [2017]
1) P is the maternal uncle of A;
2) P and Y are sisters;
3) A and P are cousins:
4) None of the above;

There are 5 books A, B, C, D & E placed on the table. If A is placed below E, C is placed above D, B is placed below A and D is placed above E, then which of the following books touches the surfaces of the table? [2017]
1) C
2) B
3) A
4) E

1. Fill in the blanks BA_BA_BAC_ACB_CBAC [2017]
1) AACB
2) BBCA
3) CCBA
4) CBAC

2. BEH, DGJ, (?), EJO, GLQ, INS. [2017]
1) FLR
2) FIS
3) FKO
4) FI

1. Insert arithmetical signs in the equation for it to be correct [2017]
8 ? 4 ? 2 = 16
1) +, ×
2) -, +
3) ÷, +
4) +, ÷

2. If 84 × 13 = 8, 37 × 13 = 6, 26 × 11 = 6, then 56 × 22 = ? [2017]
1) 3
2) 5
3) 7
4) 9

1. Of the following two statements, both of which cannot be true, both can also be false. Which are these two statements? [2017]
I. All machines make noise
II. Some machines are noisy
III. No machine makes noise
IV. Some machines are not noisy
1) I & II
2) III & IV
3) I & III

2.
a) Those who are honest are good teachers. [2017]
b) Hard working people are honest.
Inference: Hard work is the necessary quality of a good teacher.
1) The inference is definitely true
2) The inference is definitely false
3) The inference is probably false or true
4) The inference cannot be drawn

1. Which of the following sentences is correct? [2017]
1) The flowers was arranged carefully
2) The meeting start promptly at 1100
3) Computers save time
4) Lightning strike indiscriminately

2. Identify the incorrect sentence: [2017]
1) None of the minutes was wasted
2) None of the time was wasted
3) Is any of the pizza left?
4) None of the above

1. Satish heard it from the horse’s mouth means: [2017]
1) From an authoritative source
2) From a close friend
3) From the closest family member
4) From his boss

2. ‘Repercussion’ would mean:  [2017]
1) Reaction
2) Concussion
3) Recollection
4) Clever reply

1. I ______ her speak on Friday night about the advantages of organic gardening. [2017]
1) will have heard
2) would hear
3) would have heard
4) will hear