निम्नलिखित में से एनआईसी द्वारा विकसित ई-ऑफिस में कौन-सा/कौन-से उत्पाद शामिल हैं/हैं?

1. फाइल प्रबंधन प्रणाली

2. ज्ञान प्रबंधन प्रणाली

3. संचार और मैसेजिंग सेवा

नीचे दिए गए कूट का प्रयोग कर सही उत्तर चुनिए :

The correct answer is D

The circumference of two circles are 132 cm and 88 cm respectively. What is the difference between the area of the larger circle and the smaller circle?

The two parallel sides of a trapezium are 27 cm and 13 cm respectively. If the height of the trapezium is 8 cm, then what is its area in m²?

The sum of the radius and height of a cylinder is 42m. The total surface area of the cylinder is 5544 m². What is the volume of the cylinder?

Radius of a cylinder is increased by 20% and height reduces by 40% so what effect on the volume of cylinder?

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