1. 8 years ago,the ratio of A’s age to b’s age was 4:5. At present the ratioof B’s age to C’s age is 4:5 At present, the difference between A’s age and C’s age is 20 years, then what is the sum of the ages of A,B and,C?|Janata Bank|Rupali Bank|Officer (General)-2019

138 years

164 years

148 years

152 years

2. . A box contains 21 balls numbered 1 to 21. A ball is drawn and then another ball is drawn without replacement. What is the probability that both balls are even numbered?|Janata Bank|Rupali Bank|Officer (General)-2019

2/7

3/14

8/21

5/21

3. In each of these question, two equations (I) and (II) are given. You have tosolve both the equations and given answer. (I)39x2+31x-28=0 (II)y2+25y+114=0|Janata Bank|Rupali Bank|Officer (General)-2019

x<y

x>y

x≤y

x≥y

4. If an article was sold at 18% profit on cost price then the selling price of the article was tk.9381. What would have been the selling price of the article it it was sold at 25% profit?|Janata Bank|Rupali Bank|Officer (General)-2019

Tk. 9984.5

Tk. 9927.5

Tk.9937.5

None of those

5. A right angled triangle, whose perpendicular sides measure 1.8cm and 2.4 cm, is inscribed in a circle. what is the circumference of the circle (in cm)?|Janata Bank|Rupali Bank|Officer (General)-2019

Π

3 π

2 π

None of these

6. If the ratio of speed of doing work if three persons 1:3;5, What is the ratio of time taken by these people to do the same amount of work?|Janata Bank|Rupali Bank|Officer (General)-2019

15:5:3

15:5:7

3:15:5

15:3;5

7. A drive of an auto rickshaw sees a lorry 60m ahead of him. After 30seconds the lorry is 90 m behind. If the speed of auto rickshaw is 38 km/hr, then what is the speed of the lorry?|Janata Bank|Rupali Bank|Officer (General)-2019

23 km/hr

25 km/hr

20 km/hr

18km/hr

8. ODOMETER : DISTANCE|Janata Bank|Rupali Bank|Officer (General)-2019

Length: Width

Mileage :Speed

Area : Size

Scale: Weight

9. CONDUCTOR: ORCHESTRA|Janata Bank|Rupali Bank|Officer (General)-2019

Jocky: Mount

Skipper: Crew

Thrasher: Hay

Driver: Tractor

10. The amount of meat needed to provision sufficient protein for maintaining good health is estimated at less than four ounces per day.|Janata Bank|Rupali Bank|Officer (General)-2019

Amount

To provision

For maintaining

Less than